Nyström, H. F., A. L. Brantsæter, I. Erlund, I. Gunnarsdottir, L. Hulthén, P. Laurberg, I. Mattisson, L. B. Rasmussen, S. Virtanen, and H. M. Meltzer. “Iodine Status in the Nordic Countries – past and Present”. Food & Nutrition Research, vol. 60, June 2016, doi:10.3402/fnr.v60.31969.