By Qvigstad Gunnar   Hatlen-Rebhan Peter   Brenna Eiliv   Waldum Helge   in Scandinavian Journal of Gastroenterology

ISSN:0036-5521|41|5|614-618

Informa Healthcare‎(2006)‎

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By Waldum Helge L.   Qvigstad Gunnar   Fossmark Reidar   Kleveland Per M.   Sandvik Arne K.   in Scandinavian Journal of Gastroenterology

ISSN:0036-5521|45|4|389-394

Informa Healthcare‎(2010)‎

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By Waldum Helge   Kleveland Per   Brenna Eiliv   Bakke Ingunn   Qvigstad Gunnar   Martinsen Tom Chr.   Fossmark Reidar   Gustafsson Bjørn   Sandvik Arne   in Scandinavian Journal of Gastroenterology

ISSN:0036-5521|44|4|390-393

Informa Healthcare‎(2009)‎

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By Jianu Constantin S   Lange Ove J   Viset Trond   Qvigstad Gunnar   Martinsen Tom C   Fougner Reidun   Kleveland Per M   Fossmark Reidar   Hauso Øyvind   Waldum Helge L   in Scandinavian Journal of Gastroenterology

ISSN:0036-5521|47|1|64-67

Informa Healthcare‎(2012)‎

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