TY - JOUR AU - Pemberton, J DO - doi:10.1302/0301-620X.68B4.3733822 UR - https://doi.org/10.1302/0301-620X.68B4.3733822 TI - Radiology, radiation and risk T2 - The Journal of Bone & Joint Surgery British Volume VL - 68-B IS - 4 PY - 1986 SP - 517 EP - 519 ER -