Cani, A., F. Gradica, L. Agolli, F. Kokiçi, E. Shima, and L. Lisha. “Atelectasis Is Common Pulmonary Complication in Patients Following Thoracic Surgery”. ANGLISTICUM. Journal of the Association-Institute for English Language and American Studies, vol. 5, no. 2, Dec. 2016, pp. 28-32, https://anglisticum.org.mk/index.php/IJLLIS/article/view/1117.