Applying the methodology of participant observation to the study of injection-related HIV risks.
Koester
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University of Colorado, Health Sciences Center, Project SAFE, Denver 80211, USA.
D003469:Culture; D015658:HIV Infections / Q000523:psychology / Q000635:transmission*; D006801:Humans; D012307:Risk Factors; D015819:Substance Abuse, Intravenous / Q000150:complications* / Q000523:psychology