رضوان . ف. . “Relationship Between Serum Magnesium and Parathyroid Hormone Levels in Hemodialysis Patients”. Tishreen University Journal -Medical Sciences Series, vol. 44, no. 2, June 2022, pp. 141-8, https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/12668.