Ali, Noor S. “Serum Ferritin Level and B12 in a Sample of Iraqi Re-Current Aphthous Stomatitis Patients”. Journal of Baghdad College of Dentistry 34, no. 3 (September 15, 2022): 1–6. Accessed May 6, 2024. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/3211.