Some methodological problems in the epidemiology of alcoholic beverage usage: definition of amount of intake.
D000328:Adult; D000437:Alcoholism / Q000453:epidemiology*; D002140:California; D004812:Epidemiologic Methods; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D012924:Social Conditions; D013223:Statistics as Topic