By Battegay M.   Riemann J.F.   in Der Internist

ISSN:0020-9554|49|6|653-654

Springer Publishing Company ‎(2008)‎

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By Eickhoff A.   Hahn A.   Riemann J.F.   in Der Internist

ISSN:0020-9554|49|6|660-672

Springer Publishing Company ‎(2008)‎

Access to resources Favorite 2.7253356

By Eickhoff A.   Striegel J.   Riemann J.F.   in Der Gastroenterologe

ISSN:1861-9681|2|5|339-349

Springer Publishing Company ‎(2007)‎

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By Apel D.   Weickert U.   Riemann J. F.   in Scandinavian Journal of Gastroenterology

ISSN:0036-5521|39|4|395-397

Informa Healthcare‎(2004)‎

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