Thammachad, S., N. Wanitkun, S. Pattaramongkolrit, and C. Iramaneerat. “PREDICTORS OF BOWEL PREPARATION QUALITY IN PATIENTS UNDERGOING COLONOSCOPY”. JOURNAL OF THE POLICE NURSES AND HEALTH SCIENCE, vol. 15, no. 2, Dec. 2023, pp. 266-78, https://he01.tci-thaijo.org/index.php/policenurse/article/view/265341.