By Olberg Petter   Johannessen Rune   Johnsen Gjermund   Myrvold Helge   Bjerkeset Tormod   Fjösne Ulf   Petersen Hermod   in Scandinavian Journal of Gastroenterology

ISSN:0036-5521|40|3|264-274

Informa Healthcare‎(2005)‎

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By Johannessen Rune   Skogaker Nan   Halgunset Jostein   Petersen Hermod   Kleveland Per Martin   in Scandinavian Journal of Gastroenterology

ISSN:0036-5521|48|11|1235-1241

Informa Healthcare‎(2013)‎

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By Johannessen Rune   Petersen Hermod   Sue-Chu Malcolm   Aasebøstøl Anne Kristin   Løge Ingard   Kleveland Per Martin   in Scandinavian Journal of Gastroenterology

ISSN:0036-5521|47|5|499-508

Informa Healthcare‎(2012)‎

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