Fake artesunate in southeast Asia. (Lancet, 2001)

(untitled) - Newton, P; Proux, S; Green, M; Smithuis, F; Rozendaal, J; Prakongpan, S; Chotivanich, K; Mayxay, M; Looareesuwan, S; Farrar, J; Nosten, F; White, N