Vitamin D deficiency in inflammatory bowel disease: prevalence and predictors in a Norwegian outpatient population.
Frigstad SO, Høivik M, Jahnsen J, Dahl SR, Cvancarova M, Grimstad T, Berset IP, Huppertz-Hauss G, Hovde Ø, Torp R, Bernklev T, Moum B, Jelsness-Jørgensen LP.
Frigstad SO, et al. Among authors: cvancarova m.
Scand J Gastroenterol. 2017 Jan;52(1):100-106. doi: 10.1080/00365521.2016.1233577. Epub 2016 Sep 23.
Scand J Gastroenterol. 2017.
PMID: 27603182