Ghareeb, Khalid, and Ramadan Elamyal, translators. “The Efficiency of Lateral Internal Anal Sphincterotomy by Closed Method Under Local Anaesthesia As an Out Patient Procedure”. Journal of Medical Sciences, vol. 10, no. 2, June 2011, pp. 25-28, https://doi.org/10.51984/wr4hja97.