2Mohammed H. Alosami1. B. M. ,. (2024). 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. Iraqi Journal of Biotechnology, 23(1). Retrieved from https://jige.uobaghdad.edu.iq/index.php/IJB/article/view/645