R. Hamad, Abdul-Wahab, and Hamad H. Al-Jamaien. “Study of the Bioavailability and Clinical Studies of Calcium-Magnesium Tablets”. Pakistan Journal of Nutrition, vol. 9, no. 12, Nov. 2010, pp. 1162–1165, https://doi.org/10.3923/pjn.2010.1162.1165.