Drinking and socializing in "introverted" and "extraverted" alcoholics.
D000328:Adult; D000428:Alcohol Drinking; D000437:Alcoholism / Q000209:etiology; D005120:Extraversion, Psychological; D006801:Humans; D007439:Introversion, Psychological; D008297:Male; D008875:Middle Aged; D012919:Social Behavior; D013223:Statistics as Topic