Kiani, Arda, Fatemeh Razavi, Negar Bandegani, Mehradad Farahani, and Atefeh Abedini. “Investigation of Sarcoidosis Patients During COVID-19 Pandemic”. Sarcoidosis, Vasculitis and Diffuse Lung Disease 37, no. 4 (December 16, 2020): e2020015. Accessed January 19, 2022. https://mattioli1885journals.com/index.php/sarcoidosis/article/view/9588.