Routine versus clinically driven laboratory monitoring of HIV antiretroviral therapy in Africa (DART): a randomised non-inferiority trial. by Mugyenyi, P, Walker, A, Hakim, J, Munderi, P, Gibb, D, Kityo, C, Reid, A, Grosskurth, H, Darbyshire, J, Ssali, F, Bray, D, Katabira, E, Babiker, A, Gilks, C, Grosskurth, H, Munderi, P, Kabuye, G, Nsibambi, D, Kasirye, R, Zalwango, E, Nakazibwe, M, Kikaire, B, Nassuna, G, Massa, R, Fadhiru, K