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Forest plot of risk ratios and 95%CIs representing a comparison between EST and EPBD. (A): Complete stone removal at the first endoscopic session (B): Rate of mechanical lithotripsy. (C): Overall adverse events. (D): Bleeding. (E): PEP. (F): Perforation. CI, Confidence interval; EST, endoscopic sphincterotomy; EPBD, endoscopic papillary balloon dilation; PEP, post-endoscopic retrograde cholangiopancreatography pancreatitis.
