El-Hadidi, K., S.M. Gamal, S. Saad, and N.Y. Elsaid. 2020. “Is CDAI Comparable to DAS 28 and SDAI Regarding Inter-Observer Agreement and Correlation to MHAQ in Egyptian RA Patients?”. Reumatismo 71 (4):203-8. https://doi.org/10.4081/reumatismo.2019.1222.