TALEBIAN, Ahmad, et al. “Causes and Associated Factors of Headaches Among 5 to 15-Year-Old Children Referred to a Neurology Clinic in Kashan, Iran”. Iranian Journal of Child Neurology, vol. 9, no. 1, Jan. 2015, pp. 71-75, doi:10.22037/ijcn.v9i1.5679.