Battaloglu, Rifat, Kadriye Kayakirilmaz, and Emel Bayol. 2012. “Determination of Urinary Calcium and Magnesium Levels by Atomic Absorption Spectrophotometry in Hypertensive Patients”. Asian Journal of Chemistry 24 (6):2369-72. https://asianpubs.org/index.php/ajchem/article/view/9134.