From the Centers for Disease Control and Prevention. Assessment of street outreach for HIV prevention--selected sites, 1991-1993.
D000293:Adolescent; D000328:Adult; D003153:Community Health Services / Q000706:statistics & numerical data; D015658:HIV Infections / Q000453:epidemiology / Q000517:prevention & control*; D006801:Humans; D015397:Program Evaluation; D012307:Risk Factors; D015819:Substance Abuse, Intravenous; D014481:United States; D014505:Urban Population