Bhandari, Rabin, R Bhandari, DR Shakya, R Maskey, M Paudel, R Giri, and PP Gupta. “Chronic Headache Among General Practice Out Patients in a Tertiary Care Hospital, Eastern Nepal”. Health Renaissance 13, no. 2 (June 20, 2017): 22–29. Accessed March 21, 2023. https://www.nepjol.info/index.php/HREN/article/view/17550.