2Mohammed H. Alosami1BM ,. Study the Association of IL-21 Gene Polymorphism and Some Immunological Markers with the Risk of Rheumatoid Arthritis Incidence in a Sample of Iraqi Patients. IJB [Internet]. 9Oct.2024 [cited 18Sep.2026];23(1). Available from: https://jige.uobaghdad.edu.iq/index.php/IJB/article/view/645