Guslandi, Mario; Giollo, Patrizia; Testoni, Pier Alberto
Gastroenterology Unit, S. Raffaele University Hospital, Milan, Italy.
Correspondence to Mario Guslandi MD FACG, Gastroenterology Unit, S. Raffaele University Hospital, Via Olgettina 60, 20132 Milan, Italy. Tel/fax: +39 02 2152559; e-mail: [email protected]
Received 17 January 2002 Revised 9 December 2002 Accepted 11 February 2003