Plasmodium falciparum resistant to pyrimethamine in non-immune Europeans in Tanganyika.
D000962:Antimalarials / Q000494:pharmacology*; D006801:Humans; D010963:Plasmodium falciparum / Q000187:drug effects*; D011739:Pyrimethamine; D013636:Tanzania
D000962:Antimalarials; D011739:Pyrimethamine
ANTIMALARIALS/effects; PLASMODIUM FALCIPARUM/effect of drugs on