TY - JOUR AU - Barr, Joseph S. DO - doi:10.1302/0301-620X.33B1.3 UR - https://doi.org/10.1302/0301-620X.33B1.3 TI - PROTRUDED DISCS AND PAINFUL BACKS T2 - The Journal of Bone & Joint Surgery British Volume VL - 33-B IS - 1 PY - 1951 SP - 3 EP - 4 ER -