TY - JOUR AU - Cheng, E.Y. DO - doi:10.1302/1358-992X.94BSUPP_VIII.ARCO2009-055 UR - https://doi.org/10.1302/1358-992X.94BSUPP_VIII.ARCO2009-055 TI - KEYS TO UNLOCKING THE MYSTERY OF OSTEONECROSIS T2 - Orthopaedic Proceedings VL - 94-B IS - SUPP_VIII PY - 2012 SP - 55 EP - 55 ER -