TY - JOUR AU - Edwards, G. AU - Metcalfe, A. AU - Johansen, A. AU - O’Doherty, D. DO - doi:10.1302/0301-620X.93BSUPP_I.0930020b UR - https://doi.org/10.1302/0301-620X.93BSUPP_I.0930020b TI - POWER STUDIES IN HIP FRACTURE – HOW BIG A DATABASE DO WE REALLY NEED? T2 - Orthopaedic Proceedings VL - 93-B IS - SUPP_I PY - 2011 SP - 20 EP - 20 ER -