Khan, T., A. Haider, U. Latif, S. Gul, F. Shaheen, and A. Khan. “Efficacy of Single-Versus Split-Dose Polyethylene Glycol for Colonic Preparation: A Randomized Control Study”. International Journal of Health Sciences, vol. 7, no. S1, May 2023, pp. 368-75, doi:10.53730/ijhs.v7nS1.14207.