TY - JOUR AU - Kostuik, JP DO - doi:10.1302/0301-620X.74B5.1527137 UR - https://doi.org/10.1302/0301-620X.74B5.1527137 TI - Training spinal surgeons T2 - The Journal of Bone & Joint Surgery British Volume VL - 74-B IS - 5 PY - 1992 SP - 786 EP - 786 ER -