title: Drug dependence - a preliminary survey in hospitalised drug addicts (1968-1973).
mesh_terms: D000328:Adult; D005260:Female; D006760:Hospitalization; D006778:Hospitals, Psychiatric; D006801:Humans; D008297:Male; D008875:Middle Aged; D010154:Pakistan; D019966:Substance-Related Disorders / Q000453:epidemiology*