JAAFAR, Rozheen Ghiath; EISSA, Adil Abozaid. EFFECT OF REDUCED FOLATE CARRIER GENE POLYMORPHISM (G80A) ON THE METHOTREXATE LEVEL IN PATIENTS WITH RHEUMATOID ARTHRITIS AND ITS RELATION TO THE DISEASE ACTIVITY. Science Journal of University of Zakho, [S. l.], v. 14, n. 1, p. 97–103, 2026. DOI: 10.25271/sjuoz.2026.14.1.1700. Disponível em: https://www.sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/1700. Acesso em: 3 feb. 2026.