title: Interventions among injecting drug users: do they work?
authors.affiliation: Municipal Health Service, Amsterdam, The Netherlands.
authors.forename: E J
authors.initials: EJ
authors.lastname: van Ameijden
authors.forename: J K
authors.initials: JK
authors.lastname: Watters
authors.forename: J A
authors.initials: JA
authors.lastname: van den Hoek
authors.forename: R A
authors.initials: RA
authors.lastname: Coutinho
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control*; D005069:Evaluation Studies as Topic; D006801:Humans; D015819:Substance Abuse, Intravenous; D013997:Time Factors