Hashiam, M.D. and Aldahhan, H.A.A. 2022. Assessment of Auto-antibodies (RF, Anti-CCP, and Anti-RA33) in Rheumatoid Arthritis Patients: Comparative study. International journal of health sciences. 6, S5 (Jun. 2022), 5434–5444. DOI:https://doi.org/10.53730/ijhs.v6nS5.9829.