Bhandari, Rabin, R Bhandari, DR Shakya, R Maskey, M Paudel, R Giri, and PP Gupta. 2017. “Chronic Headache Among General Practice Out Patients in a Tertiary Care Hospital, Eastern Nepal”. Health Renaissance 13 (2):22-29. https://doi.org/10.3126/hren.v13i2.17550.