Pharmacokinetics of antiretroviral drug varies with formulation in the target population of children with HIV-1. by Kasirye, P, Kendall, L, Adkison, K, Tumusiime, C, Ssenyonga, M, Bakeera-Kitaka, S, Nahirya-Ntege, P, Mhute, T, Kekitiinwa, A, Snowden, W, Burger, D, Gibb, D, Walker, A