Kristiansen A. L., Myhre J. B., Øyri L. K. L., Holven K. B., and Andersen L. F. “Vitamin D Status in Norwegian Children and Associations Between Child Vitamin D Status, Dietary Factors, and Maternal Vitamin D Status”. Food & Nutrition Research, vol. 69, Feb. 2025, doi:10.29219/fnr.v69.10727.