Ghimire, R., Y. Limbu, and R. Chakradhar. “Flexible Sigmoidoscopy: Optimal Bowel Preparation With Enema Versus Polyethylene Glycol”. Journal of Kathmandu Medical College, vol. 7, no. 2, Nov. 2018, pp. 50-54, doi:10.3126/jkmc.v7i2.21586.