Uğur Topal, et al. “The Effect of Anorectal Manometric Examination on the Surgical Treatment Plan in Chronic Anal Fissure”. Annali Italiani Di Chirurgia, vol. 92, no. 1, Jan. 2021, pp. 59-63, https://annaliitalianidichirurgia.it/index.php/aic/article/view/388.