Artemisinin Resistance in Plasmodium falciparum Malaria (vol 361, pg 455, 2009) - Dondorp, A; Nosten, F; Yi, P; Das, D; Phyo, A; Tarning, J; Lwin, K; Ariey, F; Hanpithakong, W; Lee, S; Ringwald, P; Silamut, K; et al. (NEW ENGLAND JOURNAL OF MEDICINE, 2009)