Rahman, M. A., M. S. lslam, M. S. H. Sheikh, M. I. Siddique, M. A. Ullah, and K. M. Murshed. “Evaluation of Outcome Between Excisional Haemorrhoidectomy and Longo’s Technique (PPH)”. Journal of Surgical Sciences, vol. 17, no. 2, Oct. 2019, pp. 66-72, doi:10.3329/jss.v17i2.43704.