Tantinam, Thanat, Thawatchai Phoonkaew, Tawadchai Treeratanawikran, Pattiya Kamoncharoen, Ekawit Srimaneerak, Metpiya Siripoonsap, Teeranut Boonpipattanapong, and Surasak Sangkhathat. “Comparative Analysis of Outpatient and Inpatient Bowel Preparation for Colonoscopy: Evaluating Quality Outcomes and Identifying Contributing Factors”. Journal of Health Science and Medical Research 43, no. 5 (July 18, 2025): e20251170. accessed September 24, 2026. https://he01.tci-thaijo.org/index.php/jhsmr/article/view/281065.