T. Almammory, Raheem, Oruba. K. Al- Bermani, and Abeer . F. Al- Rubeiae. “Evaluation of Cryoglobulin Rheumatoid Factors Concentration and Total IgG and IgA Levels Among Rheumatoid Arthritis Patients”. Al-Kufa University Journal for Biology 7, no. 1 (April 5, 2015): 48–54. Accessed May 19, 2024. https://journal.uokufa.edu.iq/index.php/ajb/article/view/8096.