Davda, Kinner, Niall Smyth, Justin P Cobb, and Alister J Hart. 2016. “2D Measurements of Cup Orientation Are Less Reliable Than 3D Measurements (Acta Orthop 2015; 86 (4): 485–90.)”. Acta Orthopaedica 87 (3):314-17. https://doi.org/10.3109/17453674.2016.1156932.