Ahaptoglobinemia in northeastern Brazil.
D001741:Black or African American; D044383:Black People; D001796:Blood Protein Disorders / Q000097:blood*; D001797:Blood Protein Electrophoresis; D001938:Brazil; D005787:Gene Frequency; D006242:Haptoglobins / Q000032:analysis*; D006400:Hematocrit; D006455:Hemoglobins, Abnormal; D006801:Humans; D013163:Splenomegaly
D006242:Haptoglobins; D006455:Hemoglobins, Abnormal