Weidow, J., Mars, I., Cederlund, C.-G., & Kärrholm, J. (2004). Standing radiographs underestimate joint widthComparison before and after resection of the joint in 34 total knee arthroplasties. Acta Orthopaedica, 75(3), 315–322. https://doi.org/10.1080/00016470410001259