Shrestha, S.K., and B. Srivastava. “Six Minute Walk Distance and Reference Equations in Normal Healthy Subjects of Nepal”. Kathmandu University Medical Journal 13, no. 2 (February 25, 2017): 97–101. Accessed May 6, 2024. https://www.nepjol.info/index.php/KUMJ/article/view/16780.