HARDIK ANADKAT, AJITH S, DHANESH KUMAR K U, and AJITH S. 2015. “Effectiveness Of Retro Walking Treadmill Training On Pain And Disability In Knee Osteoarthritis: A Randomized Controlled Trail”. International Journal of Pharma and Bio Sciences 6 (4):43-50. https://ijpbs.net/index.php/journal/article/view/4676.