title: A comparison of attitudes among heroin addicts, policemen, marijuana users, and nondrug users about the drug addict.
mesh_terms: D001294:Attitude to Health; D002188:Cannabis; D003417:Criminal Psychology; D006556:Heroin Dependence; D006801:Humans; D007398:Interpersonal Relations; D012929:Psychological Distance; D012659:Semantic Differential; D012919:Social Behavior; D012926:Social Control, Formal; D012938:Social Perception; D019966:Substance-Related Disorders / Q000628:therapy; D014481:United States