rs563649 risk_factor_for opioid
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Evidence (1 sources)
Expansion of the human mu-opioid receptor gene architecture: novel functional variants.
(2009)
PMID:19103668
cited
Subjects with one or two rare alleles T of rs563649 showed less analgesia than homozygotes for the major allele C, with P-values approaching statistical significance, ranging from 0.054 to 0.09.
confidence: 0.90