Malallah A. Al-Atrakji1.G.H. , 2025. The Relationship Between the Biosimilar (Ixifi®) Trough Level, and the Biomarkers Rheumatoid Factor, and Anti-Cyclic Citrullinated Peptide Antibody Levels in a Selected Sample of Iraqi Rheumatoid Arthritis Patients. Iraqi journal of biotechnology. 24, 2 (Aug. 2025).