title: Letter: Pyrimethamine poisoning.
mesh_terms: D004347:Drug Interactions; D006801:Humans; D007938:Leukemia / Q000188:drug therapy; D008727:Methotrexate / Q000627:therapeutic use; D011739:Pyrimethamine / Q000506:poisoning*; D012640:Seizures / Q000139:chemically induced
chemical_list: D008727:Methotrexate; D011739:Pyrimethamine