Opiate use in London.
D000284:Administration, Oral; D000293:Adolescent; D000328:Adult; D000661:Amphetamine / Q000008:administration & dosage; D003042:Cocaine / Q000008:administration & dosage; D011307:Drug Prescriptions; D005191:Family Characteristics; D005260:Female; D006213:Hallucinogens / Q000008:administration & dosage; D003932:Heroin / Q000008:administration & dosage; D006556:Heroin Dependence / Q000453:epidemiology; D006801:Humans; D008131:London; D008297:Male; D008691:Methadone / Q000627:therapeutic use; D011446:Prospective Studies; D019966:Substance-Related Disorders / Q000188:drug therapy / Q000453:epidemiology
D006213:Hallucinogens; D003932:Heroin; D000661:Amphetamine; D003042:Cocaine; D008691:Methadone