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