AU - Kim, Harry K.W. AU - da Cunha, Ana Munhoz AU - Browne, Richard AU - Kim, Hui Taek AU - Herring, J. Anthony TI - How Much Varus Is Optimal with Proximal Femoral Osteotomy to Preserve the Femoral Head in Legg-Calvé-Perthes Disease? PT - JOUR DP - 2011 TA - The Journal of Bone & Joint Surgery PG - 341-347 VI - 93 IP - 4 AID - 10.2106/JBJS.J.00830 [doi] 4100 - http://dx.doi.org/10.2106/JBJS.J.00830 SO - The Journal of Bone & Joint Surgery February 16, 2011 93(4):341