TY - JOUR AU - Martin, R. AU - Critchley, R. AU - Anjum, S. DO - doi:10.1302/1358-992X.2021.4.091 UR - https://doi.org/10.1302/1358-992X.2021.4.091 TI - AN AUDIT ON THE USE OF A CALIBRATION MARKER FOR NECK OF FEMUR FRACTURE X-RAYS: A USEFUL BUT FORGOTTEN TOOL T2 - Orthopaedic Proceedings VL - 103-B IS - SUPP_4 PY - 2021 SP - 91 EP - 91 ER -