Assistant Professor of Medicine
Medical Director of Gastrointestinal Endoscopy
Division of Gastroenterology
Texas Tech University Health Sciences Center
El Paso
TX
Professor of Medicine
Chief
Division of Gastroenterology
Texas Tech University Health Sciences Center
El Paso
TX
Dr Andres F. Carrion and Dr Marc J. Zuckerman would like to gratefully acknowledge Dr Vic Velanovich, the previous contributor to this monograph. VV is an author of a number of references cited in this monograph.
Professor
Medicine Chief
Department of Gastroenterology
University of Arizona College of Medicine
Tucson
AZ
Clinical Reader in Surgery
Nuffield Department of Surgery
University of Oxford
Oxford
UK
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