Albendazole treatment of HIV-1 and helminth co-infection: a randomized, double-blind, placebo-controlled trial. by Walson, J, Otieno, P, Mbuchi, M, Richardson, B, Lohman-Payne, B, Macharia, S, Overbaugh, J, Berkley, J, Sanders, E, Chung, M, John-Stewart, G