Drug-taking patterns in the National Service.
D002188:Cannabis; D005277:Fenfluramine; D006556:Heroin Dependence / Q000209:etiology; D006801:Humans; D008238:Lysergic Acid Diethylamide; D008887:Military Medicine; D013019:South Africa; D019966:Substance-Related Disorders / Q000453:epidemiology*; D014944:World Health Organization
D005277:Fenfluramine; D008238:Lysergic Acid Diethylamide