"Chemical Sphincterotomy Is Good Alternative Option to Surgery In Management of Chronic Fissure in Ana". مجلة اليرموك 9, no. 9 (فبراير 12, 2018): 95–100. تاريخ الوصول مارس 29, 2026. https://journal.al-yarmok.edu.iq/index.php/alyarmoukjournal/article/view/694.