Ahmed khan, U., S. Sarwat, M. Amin, S. Hamid, and M. A. Hussain. “Aggravating and Relieving Factors of Migraine and Tension Type Headache in the Adult General Population of Karachi, Pakistan”. Journal of Liaquat University of Medical & Health Sciences, vol. 24, no. 02, June 2025, pp. 181-9, http://121.52.154.205/index.php/jlumhs/article/view/1523.