title: Deaths among users of dangerous drugs.
mesh_terms: D000293:Adolescent; D000328:Adult; D001463:Barbiturates; D004739:England; D005260:Female; D006801:Humans; D008297:Male; D009294:Narcotics; D019966:Substance-Related Disorders / Q000401:mortality*
chemical_list: D001463:Barbiturates; D009294:Narcotics