TY - JOUR AU - Engh, C.A. DO - doi:10.1302/1358-992X.95BSUPP_22.CCJR2012-058 UR - https://doi.org/10.1302/1358-992X.95BSUPP_22.CCJR2012-058 TI - PERI-ACETABULAR OSTEOLYSIS: CUP RETENTION OR REPLACEMENT T2 - Orthopaedic Proceedings VL - 95-B IS - SUPP_22 PY - 2013 SP - 58 EP - 58 ER -