Shaima, A., S. Ahmed, M. R. Javed, S. Rizwan, M. Asif, and R. H. Khan. “Hemorrhoidectomy With and Without Lateral Internal Sphincterotomy in Terms of Post-Operative Pain Relief”. Annals of Punjab Medical College, Vol. 13, no. 4, Jan. 2020, pp. 283-6, doi:10.29054/apmc/2019.50.