TY - JOUR AU - O’Dowd, J. DO - doi:10.1302/0301-620X.93B4.0930567a UR - https://doi.org/10.1302/0301-620X.93B4.0930567a TI - Emerging techniques in spine surgery T2 - The Journal of Bone & Joint Surgery British Volume VL - 93-B IS - 4 PY - 2011 SP - 567 EP - 568 ER -