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Interim data monitoring to enroll higher-risk participants in HIV prevention trials
BACKGROUND: Lower-than-expected incidence of HIV undermines sample size calculations and compromises the power of a HIV prevention trial. We evaluated the effectiveness of interim monitoring of HIV infection rates and on-going modification of recruitment strategies to enroll women at higher risk of...
Autores principales: | Halpern, Vera, Obunge, Orikomaba, Ogunsola, Folasade, Otusanya, Sakiru, Umo-Otong, John, Wang, Chin-Hua, Mehta, Neha |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2009
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2708194/ https://www.ncbi.nlm.nih.gov/pubmed/19549331 http://dx.doi.org/10.1186/1471-2288-9-44 |
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