Mohammed, Sana Majid, and Hiwa Khidhir Saaed. “Interleukin-6 Suppression by Different TNF Inhibitors in Rheumatoid Arthritis Patients During Maintenance Therapy”. Al-Rafidain Journal of Medical Sciences ( ISSN 2789-3219 ), vol. 5, Sept. 2023, pp. 184-91, doi:10.54133/ajms.v5i.230.