Cakmak, Gulfidan, Tuba Selcuk Can, Sule Gundogdu, Canan Akman, Hande Ikitimur, Benan Musellim, and Gul Ongen. 2016. “Relationship Between Abnormalities on High-Resolution Computerized Tomography, Pulmonary Function, and Bronchoalveolar Lavage in Progressive Systemic Sclerosis”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases 33 (4): 349-54. https://mattioli1885journals.com/index.php/sarcoidosis/article/view/4474.