Mohammed, W., K. . Deyab, A. H. Mohammed, F. Al Salman, G. Mohamed, and T. I. Yousif. “Assessment of Vitamin D Levels in Children Attending Outpatient Clinics of Johns Hopkins Aramco Healthcare, Saudi Arabia”. Saudi Medical Horizons Journal, vol. 6, no. 2, June 2026, pp. 238-47, doi:10.54293/smhj.v6i2.200.