Sayah, Sima, Morteza Ebrahimi, and Poorya Piroozmand. “Frequency of HLA-B27 in Patients With Conductive System Disturbance and Implanted Permanent Pacemaker in Iran”. International Journal of Cardiovascular Practice 2, no. 1 (January 24, 2017): P7-P9. Accessed May 2, 2024. https://journals.sbmu.ac.ir/ijcp/article/view/15673.