Shanmuga Raju, P., Ramu, C., Harshavardhan, N. S., Rajender, K. and Sachin, G. (2018) “Effects of low intensity pulsed ultrasound to reduce the effusion volumes and pain with knee osteoarthritis: a randomized controlled trial”, International Journal of Research in Orthopaedics, 5(1), pp. 77–80. doi: 10.18203/issn.2455-4510.IntJResOrthop20185145.