A. H. Kamel, A. A.-H. Abbas, and Y. A. Humadi, “Impact of Interleukin-6 Serum Levels and rs1800795 Promoter Polymorphism on Disease Activity and Tumor Necrosis Factor Inhibitor Efficacy in Rheumatoid Arthritis ”, Al-Rafidain J Med Sci, vol. 9, no. 1, pp. 118–126, Jul. 2025.