1. S1543 Flank Pain: A Common Presentation of a Rare Disease. (October 2020) Authors: Safren, Lowell A.; Malik, Awais; Choi, Tae D.; Pach, Samuel; Higley, Cory; Shu, Albert C.; Wopperer, Samuel; Malatack, James Journal: American journal of gastroenterology Issue: Volume 115:Supplement(2020)ACG Annual Meeting Abstracts 1 Page Start: S782 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗