Phalswal, U., V. Pandey, A. Kumar, and A. Elhence. “Correlation of Ahlback Grading and Knee Society Score in Patients With Moderate to Severe Osteoarthritis of the Knee”. International Journal of Research in Orthopaedics, vol. 7, no. 3, Apr. 2021, pp. 606-10, doi:10.18203/issn.2455-4510.IntJResOrthop20211617.