TY - JOUR AU - Kwong, KS DO - doi:10.1302/0301-620X.72B4.2380224 UR - https://doi.org/10.1302/0301-620X.72B4.2380224 TI - The biomechanical role of the collar of the femoral component of a hip replacement T2 - The Journal of Bone & Joint Surgery British Volume VL - 72-B IS - 4 PY - 1990 SP - 664 EP - 665 ER -