title: An MMPI comparison of polydrug and heroin abusers.
mesh_terms: D000328:Adult; D000662:Amphetamines; D001463:Barbiturates; D006556:Heroin Dependence / Q000523:psychology*; D006801:Humans; D008950:MMPI; D008297:Male; D019966:Substance-Related Disorders / Q000523:psychology*
chemical_list: D000662:Amphetamines; D001463:Barbiturates