title: Hb ES presenting as avascular necrosis.
mesh_terms: D000328:Adult; D005260:Female; D006446:Hemoglobin E; D006451:Hemoglobin, Sickle; D006455:Hemoglobins, Abnormal; D006801:Humans; D010020:Osteonecrosis / Q000097:blood*
chemical_list: D006451:Hemoglobin, Sickle; D006455:Hemoglobins, Abnormal; D006446:Hemoglobin E