Schneider, Inga, Theresa Greupner, and Andreas Hahn. “Magnesium Bioavailability from Mineral Waters With Different Mineralization Levels in Comparison to Bread and a Supplement”. Food & Nutrition Research 610 (October 4, 2017). Accessed August 23, 2019. https://foodandnutritionresearch.net/index.php/fnr/article/view/1219.