[Needle exchange programs: an international report shows reduced transmission of HIV infections].
Westerholm
B
B
D003718:Denmark / Q000453:epidemiology; D015658:HIV Infections / Q000453:epidemiology / Q000517:prevention & control / Q000635:transmission*; D006679:HIV Seropositivity; D006801:Humans; D018671:Needle-Exchange Programs; D013548:Sweden / Q000453:epidemiology
Sprututbytesprogrammen: internationell rapport visar att HIV-spridning minskas.