TY - JOUR T1 - Influence of Acetabular Coverage on Hip Survival After Free Vascularized Fibular Grafting for Femoral Head Osteonecrosis AU - Brannon, James K. Y1 - 2007/02/01 N1 - JO - The Journal of Bone & Joint Surgery SP - 448 EP - 449 VL - 89 IS - 2 N2 - SN - 0021-9355 M3 - doi: UR - http://dx.doi.org/ ER -