S. Rawal, S. Mukhi, S. Subedi, and S. Maharjan, “Role of Computed Tomography In Evaluation of Patients With History of Chronic Headache”, J Univ Coll Med Sci, vol. 3, no. 4, pp. 6–9, Dec. 2015, doi: 10.3126/jucms.v3i4.24257.