Kaplan David E
Division of Gastroenterology, Perelman University of Pennsylvania School of Medicine, 914 BRB, 421 Curie Blvd., Philadelphia, PA, 19104, USA.
Philadelphia VAMC, Research A402A, 3900 Woodland Avenue, Philadelphia, PA, 19104, USA.
Dig Dis Sci. 2017 Jan;62(1):1-3. doi: 10.1007/s10620-016-4378-9.