A. L. Okwi, G. S. Bimenya, L. K. Tumwine, E. Othieno, J. Okot, and C. Ibingira, “The reference range of serum magnesium substance concentration among healthy young adults at Makerere University College of Health Sciences 2012”, Tanzania J Hlth Res, vol. 18, no. 2, Mar. 2016.