%0 Journal Article %A H. Tang %A S. Wang %A Y. Zhou %A Y. Li %A Y. Zhao %A H. Shi %T CONVERSION OF SAGITTAL FUNCTIONAL SAFE ZONE TO CORONAL PLANE USING A VALIDATED MATHEMATIC ALGORITHM: THE REASON FOR FAILURE OF LEWINNEK SAFE ZONE %D 2021 %J Orthopaedic Proceedings %P 2-2 %V 103-B %N SUPP_9 %R 10.1302/1358-992X.2021.9.002 %U https://doi.org/10.1302/1358-992X.2021.9.002 %K General