Babaran, HM, LML Canseco, CRG Cuaño, JCL Sunglao, and AD Salvaña. 2020. “A Meta-Analysis on Timing of Bowel Preparation in Colonoscopy: Same-Day Versus Evening before”. Philippine Journal of Gastroenterology 9 (1). https://philjgastro.com/index.php/pjg/article/view/5.