TY - JOUR AU - Hanai, K AU - Adachi, H AU - Ogasawara, H DO - doi:10.1302/0301-620X.59B4.411796 UR - https://doi.org/10.1302/0301-620X.59B4.411796 TI - Axial transverse tomography of the cervical spine narrowed by ossification of the posterior longitudinal ligament T2 - The Journal of Bone & Joint Surgery British Volume VL - 59-B IS - 4 PY - 1977 SP - 481 EP - 484 ER -