1. Safety and effectiveness of BufferGel and 0.5% PRO2000 gel for the prevention of HIV infection in women Abdool Karim, Salim; Richardson, Barbra A.; Ramjee, Gita; Hoffman, Irving F.; Chirenje, Zvavahera M.; Taha, Taha; Kapina, Muzala; Maslankowski, Lisa; Coletti, Anne; Profy, Albert; Moench, Thomas R.; Piwowar-Manning, Estelle; Masse, Benoit; Hillier, Sharon L.; Soto-Torres, Lydia 2011 Articles VirologyEpidemiology