Ajay S Panakkal, and Aneesh Kumar K V. “A Study of Postoperative Numbness of the Knee Following Total Knee Arthroplasty”. International Journal of Health and Clinical Research, vol. 4, no. 22, Dec. 2021, pp. 77-78, https://www.ijhcr.com/index.php/ijhcr/article/view/3514.