Joy, E. J. M., Kumssa, D. B., Joy, E. J., Ander, E. L., Watts, M. J., Young, S. D., …Broadley, M. R. (2015). Dietary calcium and zinc deficiency risks are decreasing but remain prevalent. Scientific Reports, 5(1), Article 10974. https://doi.org/10.1038/srep10974