M. M. Emam, M. Shahrbaf, M. Hatam, S. Asaadi, and M. OmidBeigi, “Evaluation of Anti-CCP Positive in Patients with Systemic Lupus Erythematosus Referred to Loghman Hakim Hospital between 2007-2017; A Descriptive Study”, Sch Med Stud J, vol. 2, no. 1, pp. 24–27, May 2020.