Jindal, S., C. A. Gangajalia, P. Parikh, V. G. Vinod, N. T. Shah, and K. V. Shah. “Medical Thoracoscopy: A Retrospective Analysis in a Tertiary Care Centre”. International Journal of Advances in Medicine, vol. 2, no. 1, Feb. 2017, pp. 30-33, https://www.ijmedicine.com/index.php/ijam/article/view/415.