D'Argenio, Valeria, et al. “A Common Microbial Signature Is Present in the Lower Airways of Interstitial Lung Diseases Including Sarcoidosis”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases, vol. 35, no. 4, Nov. 2018, pp. 354-62, https://doi.org/10.36141/svdld.v35i4.7061.