I. AL-Khan, Hussain, and Mayada H. AL-Jammas. 2008. “Activity of The Enzymes: Alkaline Phosphatase, 5-Nucleotidase and Acetylcholine Esterase in The Blood and Synovial Fluid for Some Rheumatoid Arthritis Patients”. Rafidain Journal of Science 19 (4):26-36. https://doi.org/10.33899/rjs.2008.41560.