Puri, Sanjay, Manoj Kashid, Gopal Shinde, Tushar Gogia, Praveen Shrivastava, and Sandeep Dubey. “Outerbridge Classification As a Predictor for the Need of Patellar Resurfacement in Total Knee Arthroplasty: A Prospective Study”. International Journal of Research in Orthopaedics 3, no. 2 (February 22, 2017): 266–270. Accessed October 8, 2025. https://www.ijoro.org/index.php/ijoro/article/view/242.