By Eckel F.   Lersch C.   Lippl F.   Schulte-Frohlinde E.   Schusdziarra V.   Helmberger H.   Neverve J.   Decker M.   Frank R.   Schwaiger M.   Weber W.   in Scandinavian Journal of Gastroenterology

ISSN:0036-5521|37|8|972-977

Informa Healthcare‎(2002)‎

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