Contraceptive use and the risk of HIV infection in Nairobi, Kenya. Mati JK, Hunter DJ, Maggwa BN, et al. International Journal of Gynaecology and Obstetrics . 1995
Contraceptive use and the risk of HIV infection in Nairobi, Kenya. Mati JK, Hunter DJ, Maggwa BN, et al. International Journal of Gynaecology and Obstetrics . 1995