سليمان ع. ., ابراهيم سليمان, and محمد الخير. “Prevalence of Chronic Kidney Disease in Patients With Chronic Obstructive Pulmonary Disease in Tishreen University Hospital”. Tishreen University Journal -Medical Sciences Series, vol. 44, no. 5, Nov. 2022, pp. 325-44, https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/13294.