Chancharoen, Alongkorn. “Comparison Outcomes Quality of Bowel Preparation before Colonoscopy Between In-Patients and One-Day Surgery Patients: A Randomized Controlled Trial”. Srinagarind Medical Journal 37, no. 4 (August 30, 2022): 396–406. Accessed May 2, 2024. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/254770.