Åkesson, Agneta, Lene Andersen, Ása Kristjánsdóttir, Eva Roos, Ellen Trolle, Eeva Voutilainen, and Elisabet Wirfält. “Health Effects Associated With Foods Characteristic of the Nordic Diet: A Systematic Literature Review”. Food & Nutrition Research00 (October 9, 2013). Accessed July 18, 2019. https://foodandnutritionresearch.net/index.php/fnr/article/view/536.