TY - JOUR AU - Burns, B. H. DO - doi:10.1302/0301-620X.33B1.4 UR - https://doi.org/10.1302/0301-620X.33B1.4 TI - PROTRUSION OF LUMBAR INTERVERTEBRAL DISC T2 - The Journal of Bone & Joint Surgery British Volume VL - 33-B IS - 1 PY - 1951 SP - 4 EP - 5 ER -