TY - JOUR AU - Liu, Q. AU - He, H-B. AU - Zeng, H. AU - Yuan, Y-H. AU - Long, F. AU - Tian, J. AU - Luo, W. DO - doi:10.1302/0301-620X.101B6.BJJ-2018-1599.R1 UR - https://doi.org/10.1302/0301-620X.101B6.BJJ-2018-1599.R1 TI - Modified trapdoor procedures by surgical dislocation approach to treat chondroblastoma of the femoral head T2 - The Bone & Joint Journal VL - 101-B IS - 6 PY - 2019 SP - 732 EP - 738 ER -