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), pp. 5434–5444. doi: 10.53730/ijhs.v6nS5.9829.