Spekenbrink-Spooren, Anneke, et al. “Higher Mid-Term Revision Rates of Posterior Stabilized Compared With Cruciate Retaining Total Knee Arthroplasties: 133,841 Cemented Arthroplasties for Osteoarthritis in the Netherlands in 2007–2016”. Acta Orthopaedica, vol. 89, no. 6, Nov. 2018, pp. 640-5, doi:10.1080/17453674.2018.1518570.