Magnusdottir K.S., Tryggvadottir E.A., Magnusdottir O.K., Hrolfsdottir L., Halldorsson T.I., Birgisdottir B.E., Hreidarsdottir I.T., Hardardottir H. and Gunnarsdottir I. 2021. Vitamin D status and association with gestational diabetes mellitus in a pregnant cohort in Iceland. Food & Nutrition Research. 65, (Mar. 2021). DOI:https://doi.org/10.29219/fnr.v65.5574.