Alfrehat EN, Alnsour EM, Al Hmeisat EM, Alsoleihat F. Prevalence and Correlation of Vitamin B12 and Vitamin D Levels Among Jordanian Patients. ESJ [Internet]. 2025 Feb. 28 [cited 2026 Feb. 5];21(6):109. Available from: https://last.eujournal.org/index.php/esj/article/view/19158