Martusewicz-Boros, M. M., P. W. Boros, E. Wiatr, and K. Roszkowski-Śliż. “What Comorbidities Accompany Sarcoidosis? A Large Cohort (n=1779) Patients Analysis”. Sarcoidosis, Vasculitis and Diffuse Lung Disease, vol. 32, no. 2, July 2015, pp. 115-20, https://www.mattioli1885journals.com/index.php/sarcoidosis/article/view/3644.