Alcohol and marijuana: concordance of use by men and women.
D000328:Adult; D000428:Alcohol Drinking; D000437:Alcoholism / Q000150:complications; D002188:Cannabis; D002755:Choice Behavior; D003216:Conditioning, Operant; D005260:Female; D006801:Humans; D008297:Male; D002189:Marijuana Abuse / Q000150:complications; D011446:Prospective Studies; D012737:Sex Factors