Association of genetic mutations in Plasmodium vivax dhfr with resistance to sulfadoxine-pyrimethamine: Geographical and clinical correlates (vol 45, pg 3122, 2001) - Imwong, M; Pukrittayakamee, S; Looareesuwan, S; Pasvol, G; Poirriez, J; White, N; Snounou, G (ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, 2002)