Kobak, Senol, H. Ylmaz, F. Sever, A. Duran, and N. Sen. 2014. “Anti-Cyclic Citrullinated Peptide Antibodies in Patients With Sarcoidosis”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases 31 (3): 206-10. https://mattioli1885journals.com/index.php/sarcoidosis/article/view/3428.