“Evaluation of Calcium, Vitamin D, Aromatase and Estradiol in Patients Suffer from Impotence in Bald City”. Samarra Journal of Pure and Applied Science 6, no. 2/2 (August 30, 2024): 72–84. Accessed April 22, 2026. https://sjpas.com/index.php/sjpas/article/view/652.