Ay, Serden, Mehmet Ali Eryilmaz, Ahmet Oku, and Omer Karahan. “Zinc Oxide, Lidocaine, Hot Water, and Lateral Internal Sphincterotomy for Fissure-in-Ano: Randomized Controlled Study”. Annals of Medical Research 26, no. 3 (May 25, 2021): 0355–0359. Accessed December 22, 2024. http://annalsmedres.org/index.php/aomr/article/view/1344.