Kappel, Andreas, Poul Torben Nielsen, and Søren Kold. 2021. “1-Stage Total Knee Arthroplasty and Proximal Tibial Non-Union Correction Using 3-D Planning and Custom-Made Cutting Guide”. Acta Orthopaedica 92 (4):452–454. https://doi.org/10.1080/17453674.2021.1894789.