1. The dynamics of drug resistance in Plasmodium falciparum;Wernsdorfer;Pharmacol Ther,1991
2. Pyrimethamine resistance in Plasmodium vivax malaria;Young;Bull WHO,1959
3. Desarrollo de resistencia a la pirimetamina: Presentación de 15 casos estudiados en Trujillo, Venezuela;Maberti;Archiv Venezol Med Trop Parasitol Méd,1960
4. Chemotherapy and drug resistance in malaria;Peters,1987
5. Folate metabolism as a target for chemotherapy of malaria;Walter,1991