TY - JOUR AU - Bonner, T. AU - Mountain, A. AU - Clasper, J. DO - doi:10.1302/0301-620X.93BSUPP_I.0930053e UR - https://doi.org/10.1302/0301-620X.93BSUPP_I.0930053e TI - LEVELS OF EVIDENCE IN RESEARCH PRESENTED AT THE COMBINED SERVICES ORTHOPAEDIC SOCIETY ANNUAL MEETING T2 - Orthopaedic Proceedings VL - 93-B IS - SUPP_I PY - 2011 SP - 53 EP - 53 ER -