TY - JOUR AU - Lynch, MC DO - doi:10.1302/0301-620X.72B3.2341463 UR - https://doi.org/10.1302/0301-620X.72B3.2341463 TI - The assessment of Charnley acetabular cup malposition T2 - The Journal of Bone & Joint Surgery British Volume VL - 72-B IS - 3 PY - 1990 SP - 521 EP - 521 ER -