محمد الخير,  فراس حسين, and شريف عثمان. “Management and Survival Rates for Malignant Pleural Effusions at Tishreen University Hospital”. Tishreen University Journal -Medical Sciences Series, vol. 44, no. 2, June 2022, pp. 369-7, https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/12687.