%0 Journal Article %A D. Pal %A E. Bayley %A S. Magaji %A B.M. Boszczyk %T FREEHAND DETERMINATION OF TRAJECTORY ANGLE FOR CERVICAL LATERAL MASS SCREWS. HOW ACCURATE IS IT? %D 2012 %J Orthopaedic Proceedings %P 139-139 %V 94-B %N SUPP_X %R 10.1302/1358-992X.94BSUPP_X.Britspine2010-139 %U https://doi.org/10.1302/1358-992X.94BSUPP_X.Britspine2010-139 %K Spine