G. Delcheva, K. . Stefanova, T. . Stankova, and A. Maneva, “Serum thioredoxin and lactoferrin in rheumatoid arthritis and their association with rheumatoid factor”, J Med Biochem, vol. 44, no. 2, pp. 312–318, Dec. 2024, doi: 10.5937/jomb0-44758.