To read this article in full you will need to make a payment
Purchase one-time access:Academic & Personal: 24 hour online accessCorporate R&D Professionals: 24 hour online access
One-time access price info
- For academic or personal research use, select 'Academic and Personal'
- For corporate R&D use, select 'Corporate R&D Professionals'
Subscribe:Subscribe to Gastrointestinal Endoscopy
Already a print subscriber? Claim online access
Already an online subscriber? Sign in
Register: Create an account
Institutional Access: Sign in to ScienceDirect
Published online: September 24, 2012Lawrence J. Brandt, MD, Associate Editor for Focal Points
© 2012 American Society for Gastrointestinal Endoscopy. Published by Elsevier Inc. All rights reserved.