The diagnosis of twin zygosity.
paper
Cited
Public
Unavailable
- Authors
- Nichols, R C; Bilbro, W C
- Year
- 1966
- Journal
- Acta genetica et statistica medica
- PMID
- 4959152
- DOI
- 10.1159/000151973
No figures extracted from this document.
No chunks — full text not yet ingested.
No entities extracted from this document yet.
No uploaded files.
Not in any collection.
No citations found.
In this knowledge base
External
| Title | Authors | Journal | Year | Link |
|---|---|---|---|---|
| Are Depressive and Anxiety Symptoms Differentially Associated with Alcohol Use Behaviors: Multivariate Behavioral Genetic Analyses. | Chen T et al. | — | 2025 | → |
| Twins' Book Series: Behind Their Popularity and Beyond Their Pages/Twin Research Reviews: Twinning in Low-Income Countries; Oxytocin During Twin Pregnancies; Male-Female Twins and Preeclampsia; Loss of a Twin From the Controversial 1960s New York City Twin Study/Human Interest: Monozygotic Quadruplets Conceived Naturally; Twins of Cleopatra and Mark Antony; Star Basketball Player is a Twin; Twin Stabbed at Track Meet; Another Twin Hostage in Gaza Revealed. | Segal NL | — | 2025 | → |
| A Genetically Informed Study of Digital screen time, Video game play, and Impulsivity in Established Adulthood. | Zheng A et al. | — | 2024 | → |
| Investigating Trivariate Associations Between Risky Sexual Behavior, Internalizing Problems, and Externalizing Problems: A Twin Study. | Paulich KN et al. | — | 2024 | → |
| Exploring Relationships Between Internalizing Problems and Risky Sexual Behavior: A Twin Study. | Paulich KN et al. | — | 2023 | → |
| Predicting Later Spelling from Kindergarten Spelling in U.S., Australian, and Swedish Children. | Treiman R et al. | — | 2023 | → |
| Generalist genes and specialist environments for adolescent internalizing and externalizing problems: A test of severity and directionality. | Marceau K et al. | — | 2022 | → |
| Intergenerational transmission of psychopathology: An examination of symptom severity and directionality. | Marceau K et al. | — | 2022 | → |
| Modeling the Speeded Determinants of Adolescents' Academic and Attentional Functioning. | Wakeman HN et al. | — | 2022 | → |
| Birth Complications and Negative Emotionality Predict Externalizing Behaviors in Young Twins: Moderations with Genetic and Family Risk Factors. | DiLalla LF et al. | — | 2021 | → |
| Etiological Overlap Between Sex Under the Influence and Number of Lifetime Sexual Partners. | Huibregtse BM et al. | — | 2021 | → |
| The association between toddlerhood empathy deficits and antisocial personality disorder symptoms and psychopathy in adulthood. | Rhee SH et al. | — | 2021 | → |
| The Differential Relations Between ADHD and Reading Comprehension: A Quantile Regression and Quantile Genetic Approach. | Shero JA et al. | — | 2021 | → |
| The structure and subtypes of gambling activities: Genetic, psychiatric and behavioral etiologies of gambling frequency. | Huggett SB et al. | — | 2021 | → |
| Alcohol Dependence and Reproductive Onset in Women, Updated: Analyses of Research and State-Level Administrative Data. | Waldron M et al. | — | 2020 | → |
| Marital Strain, Support, and Alcohol Use: Results from a Twin Design Statistically Controlling for Genetic Confounding. | Smith TB et al. | — | 2020 | → |
| Did I Inherit My Moral Compass? Examining Socialization and Evocative Mechanisms for Virtuous Character Development. | Ramos AM et al. | — | 2019 | → |
| Genetic and Environmental Influences on Decoding Skills - Implications for Music and Reading. | Centanni TM et al. | — | 2019 | → |
| Genetic underpinnings of callous-unemotional traits and emotion recognition in children, adolescents, and emerging adults. | Moore AA et al. | — | 2019 | → |
| Parent-adolescent conflict and young adult romantic relationship negativity: Genetic and environmental influences. | Picci G et al. | — | 2019 | → |
| Performing Together: Monozygotic Twin Comedians/Twin research: Mirror-Image Cleft Lip and Palate; Dental Caries; Noninvasive Prenatal testing; Capgras Syndrome with Folie à Deux/In the News: Athletic Twins; Transgendered Twins; Crib-Sharing; Common Careers. | Segal NL | — | 2019 | → |
| The Project Talent Twin and Sibling Study: Zygosity and New Data Collection. | Prescott CA et al. | — | 2019 | → |
| Does the heritability of cognitive abilities vary as a function of parental education? Evidence from a German twin sample. | Spengler M et al. | — | 2018 | → |
| The Association Between Toddlerhood Self-Control and Later Externalizing Problems. | Rhee SH et al. | — | 2018 | → |
| The Speed of Progression to Tobacco and Alcohol Dependence: A Twin Study. | Huggett SB et al. | — | 2018 | → |
| Twins Working Together: Collaboration or Contest/Twin Research: Molar Pregnancy; Social Support; Conjoined Twins; Immune Discordance/Headlines: Twin Politicians; Multiple Birth Marriages; Guinness World Record; Museum of Memory and Human Rights (Santiago, Chile). | Segal NL | — | 2018 | → |
| Musical Interests and Talent: Twin Jazz Musicians and Twin Studies/Twin Research: Loss of a Preterm Multiple; Conjoined Twin Conception; Depression in Fathers of Twins; Twin-to-Twin Transfusion Syndrome/Twin News: High-Achieving Twins; Twin Children of a Tennis Star; Conjoined Twin Separation; Twin Delivery to a Giant Panda. | Segal NL | — | 2017 | → |
| Phenotypic and familial associations between childhood maltreatment and cannabis initiation and problems in young adult European-American and African-American women. | Grant JD et al. | — | 2017 | → |
| The Inventory of Callous-Unemotional Traits (ICU) in Children: Reliability and Heritability. | Moore AA et al. | — | 2017 | → |
| Adolescent age moderates genetic and environmental influences on parent-adolescent positivity and negativity: Implications for genotype-environment correlation. | Marceau K et al. | — | 2016 | → |
| An examination of the developmental propensity model of conduct problems. | Rhee SH et al. | — | 2016 | → |
| Does the Environment Have an Enduring Effect on ADHD? A Longitudinal Study of Monozygotic Twin Differences in Children. | Livingstone LT et al. | — | 2016 | → |
| Genetic Etiologies of Comorbidity and Stability for Reading Difficulties and ADHD: A Replication Study. | Wadsworth SJ et al. | — | 2016 | → |
| The genetic and environmental etiologies of the relations between cognitive skills and components of reading ability. | Christopher ME et al. | — | 2016 | → |
| The Twin Study of Negative Valence Emotional Constructs. | Carney DM et al. | — | 2016 | → |
| Are there common familial influences for major depressive disorder and an overeating-binge eating dimension in both European American and African American female twins? | Munn-Chernoff MA et al. | — | 2015 | → |
| Bulimic Behaviors and Early Substance Use: Findings from a Cotwin-Control Study. | Munn-Chernoff MA et al. | — | 2015 | → |
| Genetic and Environmental Contributions to Behavioral Stability and Change in Children 6-36 months of Age Using Louisville Twin Study Data. | Davis DW et al. | — | 2015 | → |
| Genetic and environmental contributions to the relationships between brain structure and average lifetime cigarette use. | Prom-Wormley E et al. | — | 2015 | → |
| Genetic and environmental determinants of population variation in interleukin-6, its soluble receptor and C-reactive protein: insights from identical and fraternal twins. | Amaral WZ et al. | — | 2015 | → |
| Genetic and environmental etiologies of the longitudinal relations between prereading skills and reading. | Christopher ME et al. | — | 2015 | → |
| Genetic overlap between alcohol use disorder and bulimic behaviors in European American and African American women. | Munn-Chernoff MA et al. | — | 2015 | → |
| Longitudinal stability in reading comprehension is largely heritable from grades 1 to 6. | Soden B et al. | — | 2015 | → |
| Parental knowledge is an environmental influence on adolescent externalizing. | Marceau K et al. | — | 2015 | → |
| Parental separation, parental alcoholism, and timing of first sexual intercourse. | Waldron M et al. | — | 2015 | → |
| Prevalence of and familial influences on purging disorder in a community sample of female twins. | Munn-Chernoff MA et al. | — | 2015 | → |
| The Colorado Longitudinal Twin Study of Reading Difficulties and ADHD: Etiologies of Comorbidity and Stability. | Wadsworth SJ et al. | — | 2015 | → |
| The genetics of music accomplishment: evidence for gene-environment correlation and interaction. | Hambrick DZ et al. | — | 2015 | → |
| The unmet concerns of twins with special needs: diagnostic challenges and service recommendations. | Costello-Harris VA et al. | — | 2015 | → |
| Twins and virtual twins: Do genetic (as well as experiential) factors affect developmental risks? | Segal NL et al. | — | 2015 | → |
| Validity of large-scale reading tests: A phenotypic and behaviour-genetic analysis. | Grasby KL et al. | — | 2015 | → |
| Alcohol dependence and reproductive timing in African and European ancestry women: findings in a midwestern twin cohort. | Waldron M et al. | — | 2014 | → |
| DSM-IV defined conduct disorder and oppositional defiant disorder: an investigation of shared liability in female twins. | Knopik VS et al. | — | 2014 | → |
| Genetic and environmental risk for major depression in African-American and European-American women. | Duncan AE et al. | — | 2014 | → |
| Latent classiness and other mixtures. | Neale MC | — | 2014 | → |
| Risks for early substance involvement associated with parental alcoholism and parental separation in an adolescent female cohort. | Waldron M et al. | — | 2014 | → |
| The relationship between neuroticism and inflammatory markers: a twin study. | Sas AA et al. | — | 2014 | → |
| Alcoholism and timing of separation in parents: findings in a midwestern birth cohort. | Waldron M et al. | — | 2013 | → |
| A registry of adult African American twins: the Carolina African American Twin Study of Aging. | Whitfield KE | — | 2013 | → |
| Colorado Twin Registry: an update. | Rhea SA et al. | — | 2013 | → |
| Four factors for the initiation of substance use by young adulthood: a 10-year follow-up twin and sibling study of marital conflict, monitoring, siblings, and peers. | Neiderhiser JM et al. | — | 2013 | → |
| Gene-environment correlation underlying the association between parental negativity and adolescent externalizing problems. | Marceau K et al. | — | 2013 | → |
| Genetic and environmental influences on writing and their relations to language and reading. | Olson RK et al. | — | 2013 | → |
| Heritability of Face Shape in Twins: A Preliminary Study using 3D Stereophotogrammetry and Geometric Morphometrics. | Weinberg SM et al. | — | 2013 | → |
| Modeling the Etiology of Individual Differences in Early Reading Development: Evidence for Strong Genetic Influences. | Christopher ME et al. | — | 2013 | → |
| Multivariate genetic analysis of learning and early reading development. | Byrne B et al. | — | 2013 | → |
| Phenotype refinement for comorbid attention deficit hyperactivity disorder and reading disability. | Sheikhi AR et al. | — | 2013 | → |
| The Cuban Twin Registry: initial findings and perspectives. | Marcheco-Teruel B et al. | — | 2013 | → |
| The genetic and environmental etiologies of individual differences in early reading growth in Australia, the United States, and Scandinavia. | Christopher ME et al. | — | 2013 | → |
| The SWAN captures variance at the negative and positive ends of the ADHD symptom dimension. | Arnett AB et al. | — | 2013 | → |
| The Twin Interdisciplinary Neuroticism Study. | Riese H et al. | — | 2013 | → |
| Broad bandwidth or high fidelity? Evidence from the structure of genetic and environmental effects on the facets of the five factor model. | Briley DA et al. | — | 2012 | → |
| Current parental depression and offspring perceived self-competence: a quasi-experimental examination. | Class QA et al. | — | 2012 | → |
| Examining associations between disordered eating and serotonin transporter gene polymorphisms. | Munn-Chernoff MA et al. | — | 2012 | → |
| Gene by environment interactions influencing reading disability and the inattentive symptom dimension of attention deficit/hyperactivity disorder. | Rosenberg J et al. | — | 2012 | → |
| Genetic and environmental influences on the association between pubertal maturation and internalizing symptoms. | Marceau K et al. | — | 2012 | → |
| Genetic and environmental multidimensionality of well- and ill-being in middle aged twin men. | Franz CE et al. | — | 2012 | → |
| Genetic correlations among facets of type A behavior and personality. | Johnson AM et al. | — | 2012 | → |
| Intellectual interest mediates gene × socioeconomic status interaction on adolescent academic achievement. | Tucker-Drob EM et al. | — | 2012 | → |
| Multiple regression analysis of reading performance data from twin pairs with reading difficulties and nontwin siblings: the augmented model. | Wadsworth SJ et al. | — | 2012 | → |
| Observed externalizing behavior: a developmental comparison of genetic and environmental influences across three samples. | Marceau K et al. | — | 2012 | → |
| Phenotypic and genetic analyses of the Wisconsin Card Sort. | Godinez DA et al. | — | 2012 | → |
| The etiology of observed negative emotionality from 14 to 24 months. | Rhee SH et al. | — | 2012 | → |
| Adult romantic attachment, negative emotionality, and depressive symptoms in middle aged men: a multivariate genetic analysis. | Franz CE et al. | — | 2011 | → |
| A genetically informed study of associations between family functioning and child psychosocial adjustment. | Schermerhorn AC et al. | — | 2011 | → |
| Alcoholic marriage: later start, sooner end. | Waldron M et al. | — | 2011 | → |
| A twin study of spatial and non-spatial delayed response performance in middle age. | Kremen WS et al. | — | 2011 | → |
| Choice of Reading Comprehension Test Influences the Outcomes of Genetic Analyses. | Betjemann RS et al. | — | 2011 | → |
| DeFries-Fulker analysis of longitudinal reading performance data from twin pairs ascertained for reading difficulties and from their nontwin siblings. | Astrom RL et al. | — | 2011 | → |
| Dynamic and static assessment of phonological awareness in preschool: a behavior-genetic study. | Coventry WL et al. | — | 2011 | → |
| Etiology of obsessive-compulsive symptoms and obsessive-compulsive personality traits: common genes, mostly different environments. | Taylor S et al. | — | 2011 | → |
| Genetic and Environmental Influences on Vocabulary and Reading Development. | Olson RK et al. | — | 2011 | → |
| Motor disorder and anxious and depressive symptomatology: a monozygotic co-twin control approach. | Pearsall-Jones JG et al. | — | 2011 | → |
| The etiology of stability and change in religious values and religious attendance. | Button TM et al. | — | 2011 | → |
| Bivariate analysis of disordered eating characteristics in adolescence and young adulthood. | Munn MA et al. | — | 2010 | → |
| Differential genetic etiology of reading difficulties as a function of IQ: an update. | Wadsworth SJ et al. | — | 2010 | → |
| Does parental education have a moderating effect on the genetic and environmental influences of general cognitive ability in early adulthood? | Grant MD et al. | — | 2010 | → |
| Etiology and neuropsychology of comorbidity between RD and ADHD: the case for multiple-deficit models. | Willcutt EG et al. | — | 2010 | → |
| Genetic and environmental influences on cortisol regulation across days and contexts in middle-aged men. | Franz CE et al. | — | 2010 | → |
| Genetic and Environmental Influences on Inattention, Hyperactivity-Impulsivity, and Reading: Kindergarten to Grade 2. | Ebejer JL et al. | — | 2010 | → |
| "Teacher Effects" in Early Literacy Development: Evidence from a Study of Twins. | Byrne B et al. | — | 2010 | → |
| The heritability of general cognitive ability increases linearly from childhood to young adulthood. | Haworth CM et al. | — | 2010 | → |
| The moderating effect of religiosity on the genetic variance of problem alcohol use. | Button TM et al. | — | 2010 | → |
| Aggressive behavior between siblings and the development of externalizing problems: evidence from a genetically sensitive study. | Natsuaki MN et al. | — | 2009 | → |
| A twin study of the genetics of high cognitive ability selected from 11,000 twin pairs in six studies from four countries. | Haworth CM et al. | — | 2009 | → |
| Behavioral disinhibition: liability for externalizing spectrum disorders and its genetic and environmental relation to response inhibition across adolescence. | Young SE et al. | — | 2009 | → |
| Birth weight effects on children's mental, motor, and physical development: evidence from twins data. | Datar A et al. | — | 2009 | → |
| Concordance rates for cognitive impairment among older African American twins. | Whitfield KE et al. | — | 2009 | → |
| Distinct genetic influences on cortical surface area and cortical thickness. | Panizzon MS et al. | — | 2009 | → |
| Does classroom separation affect twins' reading ability in the early years of school? | Coventry WL et al. | — | 2009 | → |
| Evidence for a heritable general factor of personality in two studies. | Veselka L et al. | — | 2009 | → |
| Factor structure of planning and problem-solving: a behavioral genetic analysis of the Tower of London task in middle-aged twins. | Kremen WS et al. | — | 2009 | → |
| Genetic and environmental contributions to BMI in adolescent and young adult women. | Duncan AE et al. | — | 2009 | → |
| Genetic and environmental contributions to body mass index: comparative analysis of monozygotic twins, dizygotic twins and same-age unrelated siblings. | Segal NL et al. | — | 2009 | → |
| Genetic and Environmental Influences on Aspects of Literacy and Language in Early Childhood: Continuity and Change from Preschool to Grade 2. | Byrne B et al. | — | 2009 | → |
| Genetic and environmental influences on externalizing behavior and alcohol problems in adolescence: a female twin study. | Knopik VS et al. | — | 2009 | → |
| Genetic overlap between measures of hyperactivity/inattention and mood in children and adolescents. | Cole J et al. | — | 2009 | → |
| Heritability of high reading ability and its interaction with parental education. | Friend A et al. | — | 2009 | → |
| Is education causally related to better health? A twin fixed-effect study in the USA. | Fujiwara T et al. | — | 2009 | → |
| Measurement of the risk for substance use disorders: phenotypic and genetic analysis of an index of common liability. | Vanyukov MM et al. | — | 2009 | → |
| Neuroticism and morning cortisol secretion: both heritable, but no shared genetic influences. | Riese H et al. | — | 2009 | → |
| Perceived peer delinquency and the genetic predisposition for substance dependence vulnerability. | Button TM et al. | — | 2009 | → |
| Smoking and illicit drug use associations with early versus delayed reproduction: findings in a young adult cohort of Australian twins. | Waldron M et al. | — | 2009 | → |
| Suicidal behaviors in surviving monozygotic and dizygotic co-twins: is the nature of the co-twin's cause of death a factor? | Segal NL | — | 2009 | → |
| Temperament and character associated with depressive symptoms in women: analysis of two genetically informative samples. | Yuh J et al. | — | 2009 | → |
| The longitudinal effects of stressful life events on adolescent depression are buffered by parent-child closeness. | Ge X et al. | — | 2009 | → |
| Alcohol dependence and reproductive onset: findings in two Australian twin cohorts. | Waldron M et al. | — | 2008 | → |
| Childhood sexual abuse moderates genetic influences on age at first consensual sexual intercourse in women. | Waldron M et al. | — | 2008 | → |
| Etiology of the dimensions of anxiety sensitivity: a behavioral-genetic analysis. | Taylor S et al. | — | 2008 | → |
| Genetic and environmental influences on depressive symptoms by age and gender in African American twins. | Whitfield KE et al. | — | 2008 | → |
| Individual differences in executive functions are almost entirely genetic in origin. | Friedman NP et al. | — | 2008 | → |
| Neuroticism and Extraversion Share Genetic and Environmental Effects with Negative and Positive Mood Spillover in a Nationally Representative Sample. | Horwitz BN et al. | — | 2008 | → |
| Response to early literacy instruction in the United States, Australia, and Scandinavia: A behavioral-genetic analysis. | Samuelsson S et al. | — | 2008 | → |
| Storage and executive components of working memory: integrating cognitive psychology and behavior genetics in the study of aging. | Kremen WS et al. | — | 2008 | → |
| A twin-study of genetic contributions to hearing acuity in late middle age. | Wingfield A et al. | — | 2007 | → |
| Concordance rates for smoking among African-American twins. | Whitfield KE et al. | — | 2007 | → |
| Genetic and environmental influences on the relationship between peer alcohol use and own alcohol use in adolescents. | Fowler T et al. | — | 2007 | → |
| Genotype by environment interaction in adolescents' cognitive aptitude. | Harden KP et al. | — | 2007 | → |
| Heritability of diurnal type: a nationwide study of 8753 adult twin pairs. | Koskenvuo M et al. | — | 2007 | → |
| Heterogeneity of responses to orthostatic stress in homozygous twins. | O'Leary DD et al. | — | 2007 | → |
| Is the Wisconsin Card Sorting Test a useful neurocognitive endophenotype? | Kremen WS et al. | — | 2007 | → |
| Stability of genetic and environmental effects from adolescence to young adulthood: results of Croatian longitudinal twin study of personality. | Bratko D et al. | — | 2007 | → |
| The association between conduct problems and the initiation and progression of marijuana use during adolescence: a genetic analysis across time. | Shelton K et al. | — | 2007 | → |
| The Cardiff Study of all Wales and North West of England Twins (CaStANET): a longitudinal research program of child and adolescent development. | van den Bree MB et al. | — | 2007 | → |
| The role of conduct disorder in explaining the comorbidity between alcohol and illicit drug dependence in adolescence. | Button TM et al. | — | 2007 | → |
| Understanding comorbidity: a twin study of reading disability and attention-deficit/hyperactivity disorder. | Willcutt EG et al. | — | 2007 | → |
| Colorado Twin Registry. | Rhea SA et al. | — | 2006 | → |
| DCD and ADHD: a genetic study of their shared aetiology. | Martin NC et al. | — | 2006 | → |
| Duration of cannabis use--a novel phenotype? | Lynskey MT et al. | — | 2006 | → |
| Examination of the causes of covariation between conduct disorder symptoms and vulnerability to drug dependence. | Button TM et al. | — | 2006 | → |
| Family-based association test of the 5HTTLPR and aggressive behavior in a general population sample of children. | Haberstick BC et al. | — | 2006 | → |
| Genetic and environmental influences on body fat and blood pressure in African-American adult twins. | Nelson TL et al. | — | 2006 | → |
| Genetic influences on baroreflex sensitivity during rest and mental stress. | Riese H et al. | — | 2006 | → |
| Pittsburgh Registry of Infant Multiplets (PRIM): an update. | Jenkins EA et al. | — | 2006 | → |
| Sources of variability in John Henryism. | Whitfield KE et al. | — | 2006 | → |
| The heritability of melatonin secretion and sensitivity to bright nocturnal light in twins. | Hallam KT et al. | — | 2006 | → |
| Twins of mistaken zygosity (TOMZ): evidence for genetic contributions to dietary patterns and physiologic traits. | Gunderson EP et al. | — | 2006 | → |
| Bivariate linkage scan for reading disability and attention-deficit/hyperactivity disorder localizes pleiotropic loci. | Gayán J et al. | — | 2005 | → |
| Verification of self-report of zygosity determined via DNA testing in a subset of the NAS-NRC twin registry 40 years later. | Reed T et al. | — | 2005 | → |
| A population-based study of anxiety as a precursor for depression in childhood and adolescence. | Rice F et al. | — | 2004 | → |
| Genetic and environmental influences on mothering of adolescents: a comparison of two samples. | Neiderhiser JM et al. | — | 2004 | → |
| Twins and odd-ones-out: a twin study of genetic contributions to variability in personal colour space. | Bimler D et al. | — | 2004 | → |
| Escalation of drug use in early-onset cannabis users vs co-twin controls. | Lynskey MT et al. | — | 2003 | → |
| Differential genetic etiology of reading component processes as a function of IQ. | Knopik VS et al. | — | 2002 | → |
| Extra-intestinal manifestations associated with irritable bowel syndrome: a twin study. | Svedberg P et al. | — | 2002 | → |
| Genetic and environmental influences on body-fat measures among African-American twins. | Nelson TL et al. | — | 2002 | → |
| Genetic and environmental influences on trauma exposure and posttraumatic stress disorder symptoms: a twin study. | Stein MB et al. | — | 2002 | → |
| Twins and virtual twins: bases of relative body weight revisited. | Segal NL et al. | — | 2002 | → |
| Genetic and environmental influences on orthographic and phonological skills in children with reading disabilities. | Gayán J et al. | — | 2001 | → |
| Genetic probes of three theories of maternal adjustment: II. Genetic and environmental influences. | Reiss D et al. | — | 2001 | → |
| The heritability of attitudes: a study of twins. | Olson JM et al. | — | 2001 | → |
| Twin studies of immunogenicity--determining the genetic contribution to vaccine failure. | Tan PL et al. | — | 2001 | → |
| A twin MRI study of size variations in human brain. | Pennington BF et al. | — | 2000 | → |
| Cross-cultural adaptation and preliminary validation of a zygosity determination questionnaire for twins in Sri Lanka. | Sumathipala A et al. | — | 2000 | → |
| Etiology of inattention and hyperactivity/impulsivity in a community sample of twins with learning difficulties. | Willcutt EG et al. | — | 2000 | → |
| Etiology of neuroanatomical correlates of reading disability. | Alarcón M et al. | — | 2000 | → |
| New wrinkles on aging and adolescence. | Segal NL | — | 2000 | → |
| Behavioral genetic analyses of self-reported anxiety at 7 years of age. | Warren SL et al. | — | 1999 | → |
| Genetic and environmental influences on forced expiratory volume in midlife: a cross-cultural replication. | Whitfield KE et al. | — | 1999 | → |
| Heritability of anxiety sensitivity: a twin study. | Stein MB et al. | — | 1999 | → |
| Nightmares: familial aggregation and association with psychiatric disorders in a nationwide twin cohort. | Hublin C et al. | — | 1999 | → |
| Reading disability: evidence for a genetic etiology. | Gayán J et al. | — | 1999 | → |
| The emerging importance of genetics in epidemiologic research II. Issues in study design and gene mapping. | Ellsworth DL et al. | — | 1999 | → |
| Serum lipids and apolipoprotein E phenotypes in identical twins reared apart. | Kervinen K et al. | — | 1998 | → |
| Sleeptalking in twins: epidemiology and psychiatric comorbidity. | Hublin C et al. | — | 1998 | → |
| A twin study of mathematics disability. | Alarcón M et al. | — | 1997 | → |
| Comorbidity of mathematics and reading deficits: evidence for a genetic etiology. | Knopik VS et al. | — | 1997 | → |
| Dimensions and disorders of adolescent adjustment: a quantitative genetic analysis of unselected samples and selected extremes. | Deater-Deckard K et al. | — | 1997 | → |
| The association between internalizing and externalizing behavior in childhood and early adolescence: genetic of environmental common influences? | Gjone H et al. | — | 1997 | → |
| Twins under shift work: a case study of sleep log data. | Fukuda K | — | 1997 | → |
| Changes in heritability across increasing levels of behavior problems in young twins. | Gjone H et al. | — | 1996 | → |
| Gender differences in cognitive abilities of opposite-sex and same-sex twin pairs with reading disabilty. | Knopik VS et al. | — | 1996 | → |
| Genetics of educational attainment in Australian twins: sex differences and secular changes. | Baker LA et al. | — | 1996 | → |
| Parsing the genetic and nongenetic variance in children's depressive behavior. | Murray KT et al. | — | 1996 | → |
| Using MZ differences in the search for nonshared environmental effects. | Pike A et al. | — | 1996 | → |
| A twin-sibling study of observed parent-adolescent interactions. | O'Connor TG et al. | — | 1995 | → |
| A twin study of competence and problem behavior in childhood and early adolescence. | Edelbrock C et al. | — | 1995 | → |
| Childhood hyperactivity scores are highly heritable and show sibling competition effects: twin study evidence. | Thapar A et al. | — | 1995 | → |
| Comorbidity of reading and mathematics disabilities: genetic and environmental etiologies. | Light JG et al. | — | 1995 | → |
| Effect of twinship on incidence of cancer of the testis, breast, and other sites (Sweden). | Braun MM et al. | — | 1995 | → |
| Etiology of individual differences in reading performance: a test of sex limitation. | Alarcón M et al. | — | 1995 | → |
| Genetic influences in caries and periodontal diseases. | Hassell TM et al. | — | 1995 | → |
| Multivariate genetic analysis of Wechsler Intelligence Scale for Children--Revised (WISC-R) factors. | Casto SD et al. | — | 1995 | → |
| The genetic and environmental variance underlying elementary cognitive tasks. | Petrill SA et al. | — | 1995 | → |
| Effect of maternal smoking on birth weight of twins: a study from the Dutch Twin Register. | Orlebeke JF et al. | — | 1994 | → |
| Genetic and environmental influences on early childhood behavior. | Schmitz S et al. | — | 1994 | → |
| Genetic and environmental influences on perceptions of self-worth and competence in adolescence: a study of twins, full siblings, and step-siblings. | McGuire S et al. | — | 1994 | → |
| Genetic and social influences on starting to smoke: a study of Dutch adolescent twins and their parents. | Boomsma DI et al. | — | 1994 | → |
| Genetic component of lung cancer: cohort study of twins. | Braun MM et al. | — | 1994 | → |
| The heritability of memory in the Western Reserve Twin Project. | Thapar A et al. | — | 1994 | → |
| A masculinizing effect on the auditory systems of human females having male co-twins. | McFadden D | — | 1993 | → |
| A twin study of genetic and environmental influences on the intake of fluids and beverages. | de Castro JM | — | 1993 | → |
| Familial influences on heart rate, blood pressure, and self-report anxiety responses to stress: results from 100 twin pairs. | Ditto B | — | 1993 | → |
| Genetic influences on daily intake and meal patterns of humans. | de Castro JM | — | 1993 | → |
| Heritability of myopic refractive errors in identical and fraternal twins. | Angi MR et al. | — | 1993 | → |
| Homosexual orientation in twins: a report on 61 pairs and three triplet sets. | Whitam FL et al. | — | 1993 | → |
| Late onset esotropia in monozygous twins. | Ahmed S et al. | — | 1993 | → |
| The phenotypic and genetic relationships among measures of cognitive ability, temperament, and scholastic achievement. | Petrill SA et al. | — | 1993 | → |
| Attention deficit disorder in reading-disabled twins: evidence for a genetic etiology. | Gillis JJ et al. | — | 1992 | → |
| A twin study of odor identification and olfactory sensitivity. | Segal NL et al. | — | 1992 | → |
| Auditory magnetic source localization in twins. | Reite M et al. | — | 1992 | → |
| Confirmatory factor analysis of reading and mathematics performance: a twin study. | Gillis JJ et al. | — | 1992 | → |
| Consistency and change in patterns of social drinking: a 6-year follow-up of the Finnish Twin Cohort. | Kaprio J et al. | — | 1992 | → |
| Religion and education as mediators of attitudes: a multivariate analysis. | Truett KR et al. | — | 1992 | → |
| A population-based study of bronchial asthma in adult twin pairs. | Nieminen MM et al. | — | 1991 | → |
| A zygosity questionnaire for young twins: a research note. | Goldsmith HH | — | 1991 | → |
| Infant temperament and genetics: an objective twin study of motor activity level. | Saudino KJ et al. | — | 1991 | → |
| The genetic correlation between intelligence and speed of information processing. | Baker LA et al. | — | 1991 | → |
| 3H-imipramine binding in the blood platelets of normal twins. | Arora RC et al. | — | 1990 | → |
| Age at menarche as a fitness trait: nonadditive genetic variance detected in a large twin sample. | Treloar SA et al. | — | 1990 | → |
| Gender differences in cognitive abilities of reading-disabled twins. | Defries JC et al. | — | 1990 | → |
| Genetic and environmental effects on self-reported depressive symptoms in a general population twin sample. | Silberg JL et al. | — | 1990 | → |
| Twin children in volunteer registries: biases in parental participation and reporting. | Hay DA et al. | — | 1990 | → |
| Twin resemblances in cognitive abilities in an Egyptian sample. | Abdel-Rahim AR et al. | — | 1990 | → |
| Zygosity diagnosis of twins by questionnaire. | Ooki S et al. | — | 1990 | → |
| Biliary lipid composition in monozygotic and dizygotic pairs of twins. | Antero Kesäniemi Y et al. | — | 1989 | → |
| Evaluation of zygosity diagnosis in twin pairs below age seven by means of a mailed questionnaire. | Bønnelykke B et al. | — | 1989 | → |
| Covariation between intelligence and speed of cognitive processing: genetic and environmental influences. | Ho HZ et al. | — | 1988 | → |
| Genetic and environmental etiologies of reading disability: A twin study. | Labuda MC et al. | — | 1988 | → |
| Genetic control of serotonin uptake in blood platelets: a twin study. | Meltzer HY et al. | — | 1988 | → |
| Physical attractiveness and the personality resemblance of identical twins. | Rowe DC et al. | — | 1987 | → |
| Similarity of monozygotic and dizygotic twins in level and lability of subclinically depressed mood. | Wierzbicki M | — | 1986 | → |
| Adaptation to maximal effort: genetics vs. environment. A case history. | DeMeersman RE et al. | — | 1984 | → |
| Behavioural genetics of early childhood: fears, restlessness, motion sickness and enuresis. | Abe K et al. | — | 1984 | → |
| Genetic covariation between neuroticism and the symptoms of anxiety and depression. | Jardine R et al. | — | 1984 | → |
| The study of human twins in medical research. | Hrubec Z et al. | — | 1984 | → |
| Zygosity testing: laboratory and the investigator's judgment. | Segal NL | — | 1984 | → |
| A biometrical analysis of perceptions of family environment: a study of twin and singleton sibling kinships. | Rowe DC | — | 1983 | → |
| Biometrical genetic models of self-reported delinquent behavior: a twin study. | Rowe DC | — | 1983 | → |
| A twin study of specific behavioral problems of socialization as viewed by parents. | O'Connor M et al. | — | 1980 | → |
| Diagnosis of twin zygosity by self-assessment and by genetic analysis. | King MC et al. | — | 1980 | → |
| Specific cognitive abilities in 5- to 12-year-old twins. | Foch TT et al. | — | 1980 | → |
| Squint in monozygotic twins. | de Vries B et al. | — | 1979 | → |
| The determination of twin zygosity by means of a mailed questionnaire. | Torgersen S | — | 1979 | → |
| Twin method: defense of a critical assumption. | Scarr S et al. | — | 1979 | → |
| The diagnosis of zygosity in twins. | Lykken DT | — | 1978 | → |
| Volunteer bias in twin research: the rule of two-thirds. | Lykken DT et al. | — | 1978 | → |
| MZ or DZ? only your blood grouping laboratory knows for sure. | Carter-Saltzman L et al. | — | 1977 | → |
| Relations between twins' similarity of appearance and behavioral similarity: testing an assumption. | Matheny AP et al. | — | 1976 | → |
| Resemblance in appearance and the equal environments assumption in twin studies of personality traits. | Plomin R et al. | — | 1976 | → |
| The inheritance of scholastric abilities in a sample of twins. I. Ascertainments of the sample and diagnosis of zygosity. | Martin NG et al. | — | 1975 | → |
| A test of a primary bias in twin studies with respect to measured ability. | Breland NS | — | 1974 | → |
| Kinship correlations reported by Sir Cyril Burt. | Jensen AR | — | 1974 | → |
| Activity level and hyperactivity in twins. | Willerman L | — | 1973 | → |
| Multiple pregnancy. 1. | Benirschke K et al. | — | 1973 | → |
| The inheritance of temperaments. | Buss AH et al. | — | 1973 | → |
| Genetic limit of functional adaptability. | Klissouras V | — | 1972 | → |
| Estimation of the limits of heritability of traits by comparison of monozygotic and dizygotic twins. | Jensen AR | — | 1967 | → |
| The NAS-NRC twin panel: methods of construction of the panel, zygosity diagnosis, and proposed use. | Jablon S et al. | — | 1967 | → |