Hinz, A., E. Brähler, and R. Möde, et al. 2012. “Anxiety and Depression in Sarcoidosis: The Influence Af Age, Gender, Affected Organs, Concomitant Diseases and Dyspnea”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases 29 (2): 139-46. https://mattioli1885journals.com/index.php/sarcoidosis/article/view/2509.