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Use of hormonal contraceptives and risk of HIV-1 transmission: a prospective cohort study.
Heffron R, Donnell D, Rees H, Celum C, Mugo N, Were E, de Bruyn G, Nakku-Joloba E, Ngure K, Kiarie J, Coombs RW, Baeten JM; Partners in Prevention HSV/HIV Transmission Study Team. Heffron R, et al. Lancet Infect Dis. 2012 Jan;12(1):19-26. doi: 10.1016/S1473-3099(11)70247-X. Epub 2011 Oct 3. Lancet Infect Dis. 2012. PMID: 21975269 Free PMC article. Clinical Trial.