Francisco, C. P. (2021) “Impact of Optimal Timing of Early Precut Sphincterotomy on the Risk of Endoscopic Retrograde Cholangiopancreatography Related Adverse Events: A Meta-Analysis”, Philippine Journal of Gastroenterology, 10(2). Available at: https://philjgastro.com/index.php/pjg/article/view/23 (Accessed: 30 June 2026).