Rasheed, T., H. Alvi, M. A. Shaikh, F. S. Ali, B. F. Zuberi, and W. Subhan. “Frequency of Hyponatremia Caused by Sodium Picosulfate Solution When Used As a Bowel Cleansing Agent for Colonoscopy”. Pakistan Journal of Medical Sciences, Vol. 36, no. 7, Oct. 2020, doi:10.12669/pjms.36.7.2376.