title: The role of ethnography in substance abuse research and public policy: historical precedent and future prospects.
authors.affiliation: Youth Environment Study Inc., San Francisco, CA.
authors.forename: H W
authors.initials: HW
authors.lastname: Feldman
authors.forename: M R
authors.initials: MR
authors.lastname: Aldrich
mesh_terms: D005007:Ethnology / Q000266:history* / Q000639:trends; D005544:Forecasting; D006291:Health Policy; D049668:History, 15th Century; D049669:History, 16th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D012107:Research Design; D019966:Substance-Related Disorders / Q000453:epidemiology