Helicobacter pylori resistance to antibiotics before and after treatment: Incidence of eradication failure by Nestegard, Oddmund, Moayeri, Behrouz, Halvorsen, Fred-Arne, Tønnesen, Tor, Sørbye, Sveinung Wergeland, Paulssen, Eyvind, Johnsen, Kay-Martin, Goll, Rasmus, Florholmen, Jon Ragnar, Melby, Kjetil K

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Clinical characterization of Helicobacter pylori infected patients 15 years after unsuccessful eradication by Nestegard, Oddmund, Johnsen, Kay-Martin, Sørbye, Sveinung W, Halvorsen, Fred-Arne, Tønnessen, Tor, Paulssen, Eyvind J, Melby, Kjetil K, Goll, Rasmus, Florholmen, Jon

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Helicobacter pylori resistance to antibiotics before and after treatment: Incidence of eradication failure by Nestegard, Oddmund, Moayeri, Behrouz, Halvorsen, Fred-Arne, Tønnesen, Tor, Sørbye, Sveinung, Paulssen, Eyvind Jakob, Johnsen, Kay-Martin, Goll, Rasmus, Florholmen, Jon, Melby, Kjetil K

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First quality score for referral letters in gastroenterology—a validation study by Eskeland, Sigrun Losada, Brunborg, Cathrine, Seip, Birgitte, Wiencke, Kristine, Hovde, Øistein, Owen, Tanja, Skogestad, Erik, Huppertz-Hauss, Gert, Halvorsen, Fred-Arne, Garborg, Kjetil, Aabakken, Lars, de Lange, Thomas

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Registration bias in a clinical quality register by Hoff, Geir, de Lange, Thomas, Bretthauer, Michael, Dahler, Stein, Halvorsen, Fred-Arne, Huppertz-Hauss, Gert, Høie, Ole, Kjellevold, Øystein, Mortiz, Volker, Sandvei, Per, Seip, Birgitte, Holme, Øyvind

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The Norwegian Gastronet project: Continuous quality improvement of colonoscopy in 14 Norwegian centres by Hoff, Geir, Bretthauer, Michael, Huppertz-Hauss, Gert, Kittang, Eirik, Stallemo, Asbjørn, Høie, Ole, Dahler, Stein, Nyhus, Sverre, Halvorsen, Fred-Arne, Pallenschat, Jens, Vetvik, Kåre, Kristian Sandvei, Per, Friestad, Joachim, Pytte, Reidar, Coll, Peter

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Clinical characterization of Helicobacter pylori infected patients 15 years after unsuccessful eradication by Nestegard, Oddmund, Johnsen, Kay-Martin, Sørbye, Sveinung, Halvorsen, Fred-Arne, Tønnessen, Tor, Paulssen, Eyvind Jakob, Melby, Kjetil K, Goll, Rasmus, Florholmen, Jon

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Gastrointestinal problems related to endurance event training by HALVORSEN, F.-A

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First quality score for referral letters in gastroenterology—a validation study by Eskeland, Sigrun Losada, Brunborg, Cathrine, Seip, Birgitte Karen Berggreen, Wiencke, Kristine, Hovde, Øistein, Owen, Tanja, Skogestad, Erik, Huppertz-Hauss, Gert, Halvorsen, Fred-Arne, Garborg, Kjetil Kjeldstad, Aabakken, Lars, de Lange, Thomas

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Changes in diagnostic imaging routines of the stomach and the large bowel during the period between 1975 and 1992 by Vinje, Bjørg, Gudmundsen, Tor Erik, Halvorsen, Fred Arne, Pedersen, Hans Kristian, Østensen, Harald

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