- Correspondence to:
Dr P D Siersema
Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, the Netherlands;
- Accepted November 25, 2003
- First published May 11, 2004.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.