The ethics of needle-exchange programs.
Department of Theology, St. Joseph's University, Philadelphia, Pennsylvania, USA.
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Clark
D004992:Ethics, Medical; D014943:Global Health; D015658:HIV Infections / Q000517:prevention & control* / Q000635:transmission; D006801:Humans; D018671:Needle-Exchange Programs; D015819:Substance Abuse, Intravenous