Verra, Wiebe C, Lennard G H van den Boom, Wilco C H Jacobs, Jan W Schoones, Ate B Wymenga, and Rob G H H Nelissen. 2015. “Similar Outcome After Retention or Sacrifice of the Posterior Cruciate Ligament in Total Knee Arthroplasty”. Acta Orthopaedica 86 (2):195-201. https://doi.org/10.3109/17453674.2014.973329.