Åkesson, A., L. F. Andersen, Ása G. Kristjánsdóttir, E. Roos, E. Trolle, E. Voutilainen, and E. Wirfält. “Health Effects Associated With Foods Characteristic of the Nordic Diet: A Systematic Literature Review”. Food & Nutrition Research, Oct. 2013, doi:10.3402/fnr.v57i0.22790.