Khattak, Abbas Khan, Shakeel Ahmad, Muhammad Kamran Hassan, Hashmatullah Khan, Abbas Masood, and Mushtaq Ahmad. “EFFICACY OF TWO LITRES POLYETHYLENE GLYCOL VERSUS FOUR LITRE POLYETHYLENE GLYCOL SOLUTION FOR BOWEL CLEANSING FOR COLONOSCOPY”. Journal of Medical Sciences 25, no. 1 (March 1, 2018): 76–79. Accessed February 11, 2025. https://jmedsci.com/index.php/Jmedsci/article/view/85.