Hansen , A. L., G. Ambroziak, D. M. Thornton, J. C. Mundt, R. E. Kahn, L. Dahl, L. Waage, D. Kattenbraker, and B. Grung. “Can Vitamin D Status Influence the Effect of Stress on Planning and Problem-Solving? A Randomized Control Trial”. Food & Nutrition Research, vol. 67, Mar. 2023, doi:10.29219/fnr.v67.8970.