TY - JOUR AU - Colhoun, E AU - McCall, IW AU - Williams, L AU - Cassar Pullicino, VN DO - doi:10.1302/0301-620X.70B2.2964449 UR - https://doi.org/10.1302/0301-620X.70B2.2964449 TI - Provocation discography as a guide to planning operations on the spine T2 - The Journal of Bone & Joint Surgery British Volume VL - 70-B IS - 2 PY - 1988 SP - 267 EP - 271 ER -