High-level chloroquine resistance in Sudanese isolates of Plasmodium falciparum is associated with mutations in the chloroquine resistance transporter gene pfcrt and the multidrug resistance Gene pfmdr1. - Babiker, H; Pringle, S; Abdel-Muhsin, A; Mackinnon, M; Hunt, P; Walliker, D (Journal of infectious diseases, 2001)