Nikolla, J., & Hafizi, H. (2017). What is the Role of Complications and Comorbidities in Combined Pulmonary Fibrosis and Emphysema Syndrome. ANGLISTICUM. Journal of the Association-Institute for English Language and American Studies, 6(3), 43–51. Retrieved from https://www.anglisticum.org.mk/index.php/IJLLIS/article/view/1431