Zaater, Mahmoud K. “Correlation Between Serum Ca, Mg, Zn &Amp; Cu and Hypertension in Pre-Eclampsia”. African Journal of Nephrology 8, no. 2 (March 6, 2023): 68–72. Accessed October 8, 2025. https://www.journals.ac.za/ajn/article/view/5792.