- Correspondence to Dr Angelo Sangiovanni, 1st Division of Gastroenterology, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, 20122 Milan, Italy;
- Revised November 10, 2009
- Accepted November 12, 2009
- First published December 1, 2009.
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