Neupane, Bal Ram, and Anita Lamichhane. “Outcome of Early Versus Late Tracheostomy in Neurosurgical Critical Patient”. Nepal Journal of Neuroscience 16, no. 2 (October 17, 2019): 38–42. Accessed September 17, 2021. https://www.nepjol.info/index.php/NJN/article/view/25950.