The Role of Vitamin B12 in Regulation the Immune Response in Patients with Rheumatoid Arthritis. Journal of the College of Basic Education, [S. l.], v. 2, n. عدد خاص, p. 64–76, 2025. DOI: 10.35950/cbej.v2iعدد خاص.13218. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/13218.. Acesso em: 4 jun. 2026.