Naseri, M., S. Shahbaz, F. Handjani, and A. Ghariheh. “Serum Zinc Levels in Patients With Multiple Warts”. Journal of Pakistan Association of Dermatologists, vol. 19, no. 1, Dec. 2016, pp. 4-8, http://jpad.com.pk/index.php/jpad/article/view/500.