%0 Journal Article %A Naresh Kumar %A Ni Guo-Xin %A HK Wong %T THE USE OF ORTHOGONAL PLAIN RADIOGRAPHS IN DETERMINING THE POSITION OF THORACIC PEDICLE SCREWS: ARE THEY RELIABLE? %D 2009 %J Orthopaedic Proceedings %P 486-486 %V 91-B %N SUPP_III %R 10.1302/0301-620X.91BSUPP_III.0910486 %U https://doi.org/10.1302/0301-620X.91BSUPP_III.0910486 %K thoracic pedicle screws,radiographs,accuracy,observer,screw placement