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Sexual Risk Factors for HIV Infection in Early and Advanced HIV Epidemics in Sub-Saharan Africa: Systematic Overview of 68 Epidemiological Studies
- Li Chen,
- Prabhat Jha,
- Bridget Stirling,
- Sema K. Sgaier,
- Tina Daid,
- Rupert Kaul,
- Nico Nagelkerke,
- for the International Studies of HIV/AIDS (ISHA) Investigators
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- Published: October 3, 2007
- https://doi.org/10.1371/journal.pone.0001001