TY - JOUR AU - McMaster, MJ DO - doi:10.1302/0301-620X.67B2.3980526 UR - https://doi.org/10.1302/0301-620X.67B2.3980526 TI - A technique for lumbar spinal osteotomy in ankylosing spondylitis T2 - The Journal of Bone & Joint Surgery British Volume VL - 67-B IS - 2 PY - 1985 SP - 204 EP - 210 ER -