Yıldız, T., D. B. Aydın, Z. İlce, A. Yucak, and E. Karaaslan. “External Hemorrhoidal Disease in Child and Teenage: Clinical Presentations and Risk Factors: Hemorrhoid in Children”. Pakistan Journal of Medical Sciences, Vol. 35, no. 3, May 2019, doi:10.12669/pjms.35.3.442.