يوسف زينب, محمد الخير, and محمد اسماعيل. “Impaired Pulmonary Function in Patients With Psoriasis”. Tishreen University Journal -Medical Sciences Series 44, no. 3 (July 31, 2022): 683–697. Accessed May 6, 2024. https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/12257.