1. S1968 Pneumopericardium by Esophageal-Pericardial Fistula of Unknown Origin. (October 2020) Authors: Byrd, Greg S.; Byrd, David; Dwyer, Matthew; Tommolino, Emily; Mackey, Jon Journal: American journal of gastroenterology Issue: Volume 115:Supplement(2020)ACG Annual Meeting Abstracts 1 Page Start: S1025 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗