Effect of contraceptive methods on natural history of HIV: studies from the Mombasa cohort
Baeten, JM; Lavreys, L; Sagar, M; Kreiss, JK; Richardson, BA; Chohan, B; Panteleeff, D; Mandaliya, K; Ndinya-Achola Jeckoniah O.; Overbaugh, J; Farley, T; Mwachari, C; Cohen, C; Chipato, T; Jaisamrarn, U; Kiriwat, O; Duerr, A (2005)