Berg Henriksen H, Hauger Carlsen M, Paur I, Berntsen S, Kjølsrud Bøhn S, Juul Skjetne A, Sørlie Kværner A, Henriksen C, Frost Andersen L, Smeland S, Blomhoff R. Relative validity of a short food frequency questionnaire assessing adherence to the Norwegian dietary guidelines among colorectal cancer patients. fnr [Internet]. 2018Feb.22 [cited 2024Nov.27];620. Available from: https://foodandnutritionresearch.net/index.php/fnr/article/view/1306