Dr. Kareem N. Al-Mazrin and Dr. Elise M. Northgate, “Prevalence of Vitamin D Deficiency and Its Clinical Correlates Among Adult Patients”, ijrgmh, vol. 2, no. 2, pp. 21–33, May 2026, Accessed: Sep. 05, 2026. [Online]. Available: https://ijrgh.com/journal/index.php/ijrgmh/article/view/14