1. Beck DE. The ASCRS Manual of Colon and rectal Surgery. Benign Anorectal: Hemorrhoids. DOI:10.1007/978-0-387-73440-8_11.
2. Guidelines for the treatment of hemorrhoids (short report);Higuero;J Visc Surg,2016
3. Anatomie de la région anale;Etienney;EMC - Techniques chirurgicales-Appareil digestif,2019
4. Surgical anatomy of the anal canal and the operative treatment of haemorrhoids;Milligan;Lancet,1937
5. Comparison of hemorrhoidectomy by LigaSure with conventional Milligan Morgan's hemorrhoidectomy;Bakhtiar;Pak J Med Sci,2016