Kannan, V., Sundar, S., Prabhu, S. M. and Ezhumalai, G. (2020) “Estimation of the effects of music therapy on the anxiety and patient’s perception during an upper gastrointestinal endoscopy procedure: a randomised controlled trial”, International Journal of Research in Medical Sciences, 8(7), pp. 2594–2600. doi: 10.18203/2320-6012.ijrms20202901.