Needle exchange and the prevention of AIDS.
Imperato
P J
PJ
D000163:Acquired Immunodeficiency Syndrome / Q000209:etiology / Q000517:prevention & control* / Q000635:transmission; D003376:Counseling; D006801:Humans; D009339:Needles; D009519:New York City; D010865:Pilot Projects; D012945:Social Values; D019966:Substance-Related Disorders / Q000150:complications*