TY - JOUR AU - Plaass, C. AU - Lüem, M. AU - Ochsner, P.E. AU - Ilchmann, T. DO - doi:10.1302/0301-620X.91BSUPP_I.0910052a UR - https://doi.org/10.1302/0301-620X.91BSUPP_I.0910052a TI - LONG-TERM FOLLOW-UP OF THE ACETABULAR REINFORCEMENT RING (ARR) IN PRIMARY TOTAL HIP REPLACEMENT T2 - Orthopaedic Proceedings VL - 91-B IS - SUPP_I PY - 2009 SP - 52 EP - 52 ER -