By Volta U.   De Giorgio R.   Petrolini N.   Stanghellini V.   Barbara G.   Granito A.   De Ponti F.   Corinaldesi R.   Bianchi F. B.   in Scandinavian Journal of Gastroenterology

ISSN:0036-5521|37|11|1276-1281

Informa Healthcare‎(2002)‎

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