Afnan A. Elias, Zinah B. Al-Bayati, Muhamed J. Ahmail, and Zaid Al-Attar. “Clinical Disease Activity Correlation With CRP and ESR in a Sample of Rheumatoid Arthritis Iraqi Patients”. International Journal of Medical Science in Clinical Research and Review, vol. 6, no. 02, Apr. 2023, pp. Page: 459-464, https://ijmscrr.in/index.php/ijmscrr/article/view/518.