TY - JOUR AU - Nelson, M. A. DO - doi:10.1302/0301-620X.55B3.506 UR - https://doi.org/10.1302/0301-620X.55B3.506 TI - LUMBAR SPINAL STENOSIS T2 - The Journal of Bone & Joint Surgery British Volume VL - 55-B IS - 3 PY - 1973 SP - 506 EP - 512 ER -