Apurba Ganguly. “Obtaining Normal Flexion and Extension of Knee Joints on Supine, Prone and Standing Positions in Osteoarthritis by Topical Phyto-Therapeutic Treatment Irrespective of Age and Sex”. International Journal of Phytomedicine, vol. 7, no. 3, Sept. 2015, pp. 290-01, https://ijp.arjournals.org/index.php/ijp/article/view/417.