TY - JOUR AU - Crock, HV DO - doi:10.1302/0301-620X.63B4.7298672 UR - https://doi.org/10.1302/0301-620X.63B4.7298672 TI - Normal and pathological anatomy of the lumbar spinal nerve root canals T2 - The Journal of Bone & Joint Surgery British Volume VL - 63-B IS - 4 PY - 1981 SP - 487 EP - 490 ER -