Badawy, M., Fenstad, A. M. and Furnes, O. (2019) “Primary constrained and hinged total knee arthroplasty: 2- and 5-year revision risk compared with unconstrained total knee arthroplasty: a report on 401 cases from the Norwegian Arthroplasty Register 1994–2017”, Acta Orthopaedica, 90(5), pp. 467–472. doi: 10.1080/17453674.2019.1627638.