title: Letter: 2,4-Diaminopyrimidines and heterozygous beta-thalassaemia.
mesh_terms: D000293:Adolescent; D000741:Anemia, Aplastic / Q000097:blood / Q000139:chemically induced / Q000150:complications; D006579:Heterozygote; D006801:Humans; D008297:Male; D011739:Pyrimethamine / Q000009:adverse effects* / Q000627:therapeutic use; D013789:Thalassemia / Q000097:blood / Q000150:complications* / Q000235:genetics; D014123:Toxoplasmosis / Q000188:drug therapy
chemical_list: D011739:Pyrimethamine