Øystein Kjellevold

Long-term risk of colorectal cancer in individuals with serrated polyps

Øyvind Holme, Michael Bretthauer, Tor J. Eide et al. · Gut · 2014 · 186 citations

Medicine, Biostatistics, Oncology +15

Health‐related quality of life in patients with inflammatory bowel disease five years after the initial diagnosis

Tomm Bernklev, Jørgen Jahnsen, E. Aadland et al. · Scandinavian Journal of Gastroenterology · 2004 · 152 citations

Medicine, Clinical Sciences, Internal Medicine +13

Polyethylene Glycol versus Sodium Phosphate in Bowel Cleansing for Colonoscopy: a Randomized Trial

Gert Huppertz‐Hauss, Michael Bretthauer, Jostein Sauar et al. · Endoscopy · 2005 · 71 citations

Medicine, Clinical Sciences, Bowel Management +13

Withdrawal time as a quality indicator for colonoscopy - a nationwide analysis

V. Moritz, M. Bretthauer, Hans Kristian Ruud et al. · Endoscopy · 2012 · 60 citations

Medicine, Clinical Sciences, Gastroenterology +8

Patient-reported adverse events after colonoscopy in Norway

Geir Hoff, Thomas de Lange, Michael Bretthauer et al. · Endoscopy · 2017 · 18 citations

Medicine, Clinical Sciences, Gastroenterology +14