Endoscopic Ultrasonography

Frank G. Gress, MD, is Professor of Medicine in the Icahn School of Medicine at Mount Sinai and Chief of the Division of Gastroenterology & Hepatology, Mount Sinai Hospital, South Nassau, NY, USA.

Thomas J. Savides, MD, is Professor of Medicine and Interim Chief of the Division of Gastroenterology, University of California San Diego, CA, USA.