Bret T. Petersen, MD, FASGE reviewing Gerges C, et al. Gastrointest Endosc 2019 Nov 25. Biliary strictures are often hard to characterize using standard brush
Bret T. Petersen, MD, FASGE reviewing Gerges C, et al. Gastrointest Endosc 2019 Nov 25. Biliary strictures are often hard to characterize using standard brush
