Thanacom Thapananon และ Rangsima Thiengthiantham. (2022) Efficacy and Adverse Effects of Sodium Phosphate and Polyethylene Glycol When Used in Bowel Preparation prior to Colonoscopy among Patients Admitted at Vajira Hospital. <i>Vajira Medical Journal</i>, <i>66</i>(2), 115-124.Thanacom Thapananon และ Rangsima Thiengthiantham. "Efficacy and Adverse Effects of Sodium Phosphate and Polyethylene Glycol When Used in Bowel Preparation prior to Colonoscopy among Patients Admitted at Vajira Hospital". Vajira Medical Journal 66 (2022):115-124.Thanacom Thapananon และ Rangsima Thiengthiantham. Efficacy and Adverse Effects of Sodium Phosphate and Polyethylene Glycol When Used in Bowel Preparation prior to Colonoscopy among Patients Admitted at Vajira Hospital. Text and Journal Publication:ม.ป.ท. 2022.