Section Editor
Affiliate Professor of Medicine
University of Washington School of Medicine
Seattle
University of Washington School of Medicine
Seattle
Contributor
Honorary Professor of Medicine
Universidad de La Rep=blica, Montevideo, Uruguay
Visiting Professor
University of Belgrade, Serbia
Chief of Endoscopy
Ameos University Teaching Hospital (Otto-von-Guericke University)
Halberstadt, Germany
Founder, EndoCollab
Universidad de La Rep=blica, Montevideo, Uruguay
Visiting Professor
University of Belgrade, Serbia
Chief of Endoscopy
Ameos University Teaching Hospital (Otto-von-Guericke University)
Halberstadt, Germany
Founder, EndoCollab
Transparent caps are used commonly for both diagnostic and