title: Drug use research: drug users as subjects or agents of change.
authors.affiliation: Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, 624 North Broadway Baltimore, Maryland 21205, USA. clatkin@jhsph.edu
authors.forename: Carl
authors.initials: C
authors.lastname: Latkin
authors.forename: Sam
authors.initials: S
authors.lastname: Friedman
mesh_terms: D003376:Counseling; D055030:Drug Users; D006801:Humans; D012106:Research; D019966:Substance-Related Disorders / Q000534:rehabilitation*