The epidemiology of heroin and other narcotics: reflections on the Stanford session.
D004812:Epidemiologic Methods; D006306:Health Surveys / Q000379:methods; D006556:Heroin Dependence / Q000453:epidemiology*; D006801:Humans; D019966:Substance-Related Disorders / Q000453:epidemiology*; D009626:Terminology as Topic