- Correspondence to:
Professor Daniel Sifrim
Faculty of Medicine, KU Leuven, Lab G-I Physiopathology, O & N Gasthuisberg, Herestraat 49, 7th floor, 3000 Leuven, Belgium;
- Accepted January 16, 2007
- Revised December 20, 2006
- First published February 1, 2007.
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