@article{doi:10.1302/0301-620X.90BSUPP_III.0900479, author = {Ockendon, M and Gardner, ROE and Khan, S and Harding, U and Hutchinson, MJ and Nelson, IW}, title = {CAN THE PERDRIOLLE METHOD OF APEX ROTATION BE RELIABLY APPLIED IN THE PRESENCE OF PEDICLE SCREW INSTRUMENTATION?}, journal = {Orthopaedic Proceedings}, volume = {90-B}, number = {SUPP_III}, pages = {479-479}, year = {2008}, doi = {10.1302/0301-620X.90BSUPP_III.0900479}, url = {https://doi.org/10.1302/0301-620X.90BSUPP_III.0900479} }