TY - JOUR AU - Kosmopoulos, V. AU - Theumann, N. AU - Schizas, C. DO - doi:10.1302/0301-620X.91BSUPP_I.0910147a UR - https://doi.org/10.1302/0301-620X.91BSUPP_I.0910147a TI - USING ONLY ANATOMICAL LANDMARKS FOR THE PLACEMENT OF UPPER THORACIC PEDICLE SCREWS T2 - Orthopaedic Proceedings VL - 91-B IS - SUPP_I PY - 2009 SP - 147 EP - 147 ER -