title: Avascular necrosis of the femoral head in sickle cell trait.
mesh_terms: D000755:Anemia, Sickle Cell / Q000150:complications*; D005260:Female; D005271:Femur Head Necrosis / Q000209:etiology*; D006801:Humans; D008875:Middle Aged; D012805:Sickle Cell Trait / Q000150:complications*