Arvind Kumar Shukla, Avinash Goutam, Saranshi Shrivastava, Varsha Dhakad, Meher Kalsi, and Srashti Shah. “A Descriptive Study of Day Care Stapled Hemorrhoidopexy Surgery in Grade-4 Hemorrhoids under Pudendal Block”. Asian Journal of Medical Sciences, vol. 14, no. 3, Mar. 2023, pp. 246-51, doi:10.3126/ajms.v14i3.51071.