title: Early age at first alcoholic drink.
authors.forename: C A
authors.initials: CA
authors.lastname: Prescott
authors.forename: K S
authors.initials: KS
authors.lastname: Kendler
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000428:Alcohol Drinking / Q000453:epidemiology / Q000235:genetics / Q000523:psychology*; D000437:Alcoholism / Q000453:epidemiology* / Q000235:genetics; D004200:Diseases in Twins / Q000453:epidemiology; D020022:Genetic Predisposition to Disease; D006801:Humans; D012107:Research Design / Q000592:standards; D012307:Risk Factors