HIV-1 viral load and resistance in genital secretions in patients taking protease-inhibitor-based second-line therapy in Africa by Hoppe, A, Guilano, M, Lugemwa, A, Thompson, J, Floridia, M, Walker, A, Senoga, I, Abwola, M, Pirillo, M, Kityo, C, Arenas-Pinto, A, Paton, N