Double heterozygous   -thalassemia in Negroes.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004906:Erythrocyte Count; D005260:Female; D006400:Hematocrit; D006454:Hemoglobins / Q000032:analysis; D006547:Hernia / Q000150:complications; D059685:Herniorrhaphy; D006801:Humans; D008297:Male; D008875:Middle Aged; D013161:Splenic Rupture / Q000150:complications; D013789:Thalassemia / Q000097:blood / Q000175:diagnosis / Q000235:genetics*
D006454:Hemoglobins