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ISSN:0929-8266|11|3|189-197

Elsevier‎(2000)‎

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By Allescher H.-D.   Böckenhoff A.   Knapp G.   Wienbeck M.   Hartung J.   in Scandinavian Journal of Gastroenterology

ISSN:0036-5521|36|9|934-941

Informa Healthcare‎(2001)‎

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