Khakurel, Gita, Kalyan Gautam, and Sanat Chalise. 2020. “Diurnal Variability of Peak Expiratory Flow Rate in Healthy Adult Employees of a Medical College of Kathmandu”. Journal of Institute of Medicine Nepal 43 (1):15-18. https://www.jiomnepal.com.np/index.php/jiomnepal/article/view/24.