Chun, K. C., Lee, S. H., Baik, J. S., Kook, S. H., Han, J. K., Chun, C. H. Clinical and radiological results of cruciate-retaining total knee arthroplasty with the NexGen R-CR system: comparison of patellar resurfacing versus retention with more than 14 years of follow-up. Journal of Orthopaedic Surgery 2017; 1: 144

PubMed ID: PM:28969683