solaiman, ali, Ibrahim Sulaiman, and Mohamad Alkhayer. “Prevalence of Chronic Kidney Disease in Patients With Chronic Obstructive Pulmonary Disease in Tishreen University Hospital”. Tishreen University Journal -Medical Sciences Series 44, no. 5 (November 13, 2022): 325-344. Accessed June 7, 2023. http://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/13294.