Koirala, Puru, Ram Hari Ghimire, Deebya Raj Mishra, Bidesh Bista, and Bhupendra Shah. 2018. “Utility of Epworth Sleepiness Scale (ESS) in Predicting the Presence of Sleep Related Breathing Disorders (SRBD) in Patients in Routine Respiratory Clinical Service”. Journal of Nobel Medical College 6 (2):9-13. https://doi.org/10.3126/jonmc.v6i2.19563.