Volunteer bias in nonrandomized evaluations of the efficacy of needle-exchange programs

OBJECTIVE: Nonrandomized comparisons of the incidence of HIV and hepatitis B and C between injection drug users (IDUs) who do and do not attend voluntary needle-exchange programs may be subject to bias. To explore possible sources of bias, we examined characteristics associated with voluntarily begi...

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Hlavní autoři: Hagan, Holly, McGough, James P., Thiede, Hanne, Hopkins, Sharon G., Weiss, Noel S., Alexander, E. Russell
Médium: Artigo
Jazyk:Inglês
Vydáno: Springer-Verlag 2000
Témata:
Original Articles: Various Topics
On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC3456613/
https://ncbi.nlm.nih.gov/pubmed/10741846
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1007/BF02350966
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