title: Conversation with Walter Clark.
authors.forename: Walter
authors.initials: W
authors.lastname: Clark
mesh_terms: D000428:Alcohol Drinking / Q000453:epidemiology / Q000523:psychology; D000437:Alcoholism / Q000453:epidemiology / Q000523:psychology; D006801:Humans; D008297:Male; D009042:Motivation; D012931:Social Environment