1.
Hörnell A, Lagström H, Lande B, Thorsdottir I. Breastfeeding, introduction of other foods and effects on health: a systematic literature review for the 5<sup>th</sup&gt; Nordic Nutrition Recommendations. fnr [Internet]. 2013Apr.12 [cited 2019Oct.17];00. Available from: https://foodandnutritionresearch.net/index.php/fnr/article/view/543