Gahli, Estabraq D., and Haethem Q. Mohammd. “The Relationship Between Gene Expression of Human Leukocyte Antigen – DR4 and Enteric Bacteria As Environmental Factor in Iraqi Patients With Rheumatoid Arthritis”. Iraqi Journal of Science, vol. 66, no. 10, Oct. 2025, pp. 4190-9, https://doi.org/10.24996/ijs.2025.66.10.14.