Frigstad, Svein Oskar; Høivik, Marte Lie; Jahnsen, Jørgen; Småstuen, Milada Cvancarova; Grimstad, Tore; Berset, Ingrid Prytz; Huppertz-Hauss, Gert; Hovde, Øistein; Bernklev, Tomm; Moum, Bjørn; Jelsness-Jørgensen, Lars-Petter (World journal of gastroenterology;24(29), Journal article; Peer reviewed, 2018-08-07)
AIM
To investigate if vitamin D deficiency is associated with fatigue in patients with inflammatory bowel disease (IBD).
METHODS
IBD patients were recruited from nine hospitals in the southeastern and western regions ...