Ahmed Ibrahim, Ruba, and Firas Al-Tae. “Interleukin – 6 Serum Level and Single Nucleotide Gene -174 G/C Promoter Polymorphism in Patients With Rheumatoid Arthritis / Iraq”. Annals of the College of Medicine Mosul 43, no. 2 (December 1, 2021): 164–175. Accessed January 11, 2026. https://mmed.uomosul.edu.iq/index.php/mmed/article/view/37444.