title: Probable homozygous beta thalassemia in a Negro child.
mesh_terms: D000328:Adult; D044383:Black People; D002648:Child; D005260:Female; D006454:Hemoglobins / Q000032:analysis; D006720:Homozygote; D006801:Humans; D008297:Male; D008967:Molecular Biology; D012313:RNA / Q000378:metabolism; D013789:Thalassemia / Q000097:blood / Q000453:epidemiology / Q000209:etiology / Q000235:genetics*; D014768:Virginia; D001741:Black or African American
chemical_list: D006454:Hemoglobins; D012313:RNA