smoking associated_with PLCO
Evidence from:
primary |
all sources
Evidence (1 sources)
Time to First Morning Cigarette and Risk of Chronic Obstructive Pulmonary Disease: Smokers in the PLCO Cancer Screening Trial.
(2015)
PMID:25985429
cited
Our study included current smokers in PLCO who were alive, free of lung cancer and completed the follow-up questionnaire...
confidence: 0.90