title: Avascular necrosis and erythrocytosis in sickle-cell trait.
mesh_terms: D000328:Adult; D000755:Anemia, Sickle Cell / Q000150:complications* / Q000235:genetics; D001797:Blood Protein Electrophoresis; D001847:Bone Diseases / Q000000981:diagnostic imaging / Q000209:etiology*; D004592:Electrophoresis, Starch Gel; D005270:Femur Head / Q000000981:diagnostic imaging*; D006451:Hemoglobin, Sickle / Q000032:analysis; D006454:Hemoglobins / Q000032:analysis; D006579:Heterozygote; D006801:Humans; D008297:Male; D009336:Necrosis; D010100:Oxygen / Q000097:blood; D010375:Pedigree; D011086:Polycythemia / Q000209:etiology*; D011859:Radiography
chemical_list: D006451:Hemoglobin, Sickle; D006454:Hemoglobins; D010100:Oxygen