title: Psychosociological factors which precede drug misuse.
mesh_terms: D000293:Adolescent; D000328:Adult; D002140:California; D005260:Female; D006556:Heroin Dependence / Q000209:etiology*; D006801:Humans; D008297:Male; D011610:Psychosocial Deprivation; D012959:Socioeconomic Factors