TY - JOUR AU - Sierra, R.J. DO - doi:10.1302/1358-992X.99BSUPP_15.CCJR2017-072 UR - https://doi.org/10.1302/1358-992X.99BSUPP_15.CCJR2017-072 TI - HIP PRESERVATION: AVOIDING OR DEFERRING ARTHROPLASTY T2 - Orthopaedic Proceedings VL - 99-B IS - SUPP_15 PY - 2017 SP - 72 EP - 72 ER -