TY - JOUR AU - Foy, M. A. DO - doi:10.1302/2048-0105.35.360282 UR - https://doi.org/10.1302/2048-0105.35.360282 TI - Sentinel and never events in spinal surgery T2 - Bone & Joint 360 VL - 3 IS - 5 PY - 2014 SP - 39 EP - 40 ER -