Parajuli, B. D., L. Mandal, M. Koirala, A. S. Bhattarai, Y. Neupane, and A. Shrestha. “Drug Induced Sleep Endoscopy for Obstructive Sleep Apnea Syndrome: An Initial Experience in a Tertiary Level Centre”. Journal of Institute of Medicine Nepal, vol. 41, no. 3, Dec. 2019, pp. 83-85, https://nepjol.info/index.php/JIOM/article/view/37373.