TY - RPRT TI - Cotrel-Dubousset pedicle screw system for various spinal disorders. Merits and problems. AU - S Hirabayashi AU - K Kumano AU - T Kuroki PY - 1991 DO - 10.1097/00007632-199111000-00010 UR - https://pubmed.ncbi.nlm.nih.gov/1750004/ ID - 1750004 ER -