Al-Ubaidi, A. H., Marrof Al-Ani, M., & Al-Bidri, K. Z. (2013). Comparism between Anti-RA33, Anti-CCP antibodies and Rheumatoid Factor in the Diagnosis of Rheumatoid Arthritis in Iraqi Patients. Journal of the Faculty of Medicine Baghdad, 55(1), 64-67. https://doi.org/10.32007/jfacmedbagdad.551672