Sarwat Iqbal, Mujeeb-ur-Rehaman Abid Butt, Uzma Sarwar, Arshad Ullah Afridi. Frequency of primary headache disorders and association with body mass index; an ambispective study. J Pak Med Assoc [Internet]. 2022 Sep. 15 [cited 2024 Sep. 10];72(10):1968-70. Available from: https://ojs.jpma.org.pk/index.php/public_html/article/view/3548