TY - GEN AU - Lange,T A TI - The staging of aseptic necrosis SN - 0065-6895 PY - 1988///1021 KW - Femur Head Necrosis KW - diagnostic imaging KW - Humans KW - Osteonecrosis KW - pathology KW - Radiography N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Review ER -