Gielis, W. P. ., Rayegan, H. ., Arbabi, V. ., Brooghani, S. Y. A., Lindner, C. ., Cootes, T. F. ., Jong, P. A. de ., Weinans, H. ., & Custers, R. J. H. (2020). Predicting the mechanical hip–knee–ankle angle accurately from standard knee radiographs: a cross-validation experiment in 100 patients. Acta Orthopaedica, 91(6), 732–737. https://doi.org/10.1080/17453674.2020.1779516