صبيح ل., محمد الخير, and رنا عيسى. “Diagnostic Yield of Bronchial Biopsy Versus Bronchial Washing in Endoscopically Visible Lung Cancer in Tishreen University Hospital”. Tishreen University Journal -Medical Sciences Series, vol. 45, no. 4, Sept. 2023, pp. 235-47, https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/15361.