Chaudhary, Deepak, and Yasir Ali Khan. 2016. “Functional Outcome and Result of Intra-Articular Injection Hyaluronic Acid in Treatment of Osteoarthritis of Knee”. International Journal of Research in Medical Sciences 4 (12):5204-8. https://doi.org/10.18203/2320-6012.ijrms20164030.