SAXENA, A.; GUPTA, A.; GUPTA, A.; AGARWAL, P.; MANGLA, S. A Comparative Study to Compare the incidence of Post-Operative Pain in Patients Undergoing Haemorrhoidectomy with Lateral Sphincterotomy Vs. Haemorrhoidectomy without Lateral Sphincterotomy. International Archives of BioMedical and Clinical Research, v. 4, n. 4, p. 19-21, 29 dez. 2018.