Al-Derzi, A. “The Contribution of Serum Anti–cyclic Citrullinated Peptide Antibody and Matrix Metalloproteinase-3 in Predicting the Activity of Rheumatoid Arthritis Disease”. Journal of the Faculty of Medicine Baghdad, Vol. 59, no. 2, July 2017, pp. 138-44, doi:10.32007/med.1936/jfacmedbagdad.v59i2.8.