Pribadi, Rabbinu Rangga, Virly Nanda Muzellina, and Marcellus Simadibrata. “Bowel Cleansing Protocol in Colonoscopy: Does It Affect Blood Thiamine Level?”. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy 21, no. 1 (July 26, 2020): 22–25. Accessed October 13, 2026. https://www.ina-jghe.com/index.php/jghe/article/view/726.