Division of Gastroenterology, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
Kirk J. Wangensteen, MD, PhD
Correspondence Address correspondence to: Kirk J. Wangensteen, MD, PhD, Division of Gastroenterology, Q7 Department of Medicine, University of Pennsylvania, Perelman School of Medicine, 421 Curie Boulevard, BRB 910, Philadelphia, Pennsylvania 19104. fax: (215) 573-2024.; Division of Gastroenterology, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
