Ali Hussein Al-Hafidh, T. A. A. M. A.-S. “Clinical and Epidemiological Aspects of Rheumatoid Arthritison Biological Therapy”. Annals of the Romanian Society for Cell Biology, vol. 25, no. 7, Aug. 2021, pp. 388-95, https://annalsofrscb.ro/index.php/journal/article/view/9518.