Amodiaquine alone, amodiaquine+sulfadoxine-pyrimethamine, amodiaquine+artesunate, and artemether-lumefantrine for outpatient treatment of malaria in Tanzanian children: a four-arm randomised effectiveness trial. - Mutabingwa TK; Anthony D; Heller A; Hallett R; Ahmed J; Drakeley C; Greenwood BM; Whitty CJM (Lancet, 2005)