Gauchan, Eva, Ganesh BK, and Deepak Prasad Koirala. “Variation in Spirometry Parameters in Children With and Without Recurrent Respiratory Problems”. Journal of Kathmandu Medical College 9, no. 3 (September 30, 2020): 130–136. Accessed November 21, 2024. https://nepjol.info/index.php/JKMC/article/view/36413.