title: Introduction: The New York HIV-drug use epidemic: lessons learned and unresolved issues.
authors.forename: Sherry
authors.initials: S
authors.lastname: Deren
authors.forename: Holly
authors.initials: H
authors.lastname: Hagan
mesh_terms: D058872:Epidemics; D015658:HIV Infections / Q000453:epidemiology* / Q000209:etiology; D006679:HIV Seropositivity; D006801:Humans; D009519:New York City; D012307:Risk Factors; D015819:Substance Abuse, Intravenous / Q000150:complications*