TY - JOUR AU - Fardon, DF AU - Fielding, JW DO - doi:10.1302/0301-620X.63B4.7298677 UR - https://doi.org/10.1302/0301-620X.63B4.7298677 TI - Defects of the pedicle and spondylolisthesis of the second cervical vertebra T2 - The Journal of Bone & Joint Surgery British Volume VL - 63-B IS - 4 PY - 1981 SP - 526 EP - 528 ER -