%0 Journal Article %A R. Martin %A R. Critchley %A S. Anjum %T AN AUDIT ON THE USE OF A CALIBRATION MARKER FOR NECK OF FEMUR FRACTURE X-RAYS: A USEFUL BUT FORGOTTEN TOOL %D 2021 %J Orthopaedic Proceedings %P 91-91 %V 103-B %N SUPP_4 %R 10.1302/1358-992X.2021.4.091 %U https://doi.org/10.1302/1358-992X.2021.4.091 %K Research