1. Role of CT in differentiation between subtypes of lung cancer; is it possible?
   Heba Said Gharraf et al, 2020, The Egyptian Journal of Bronchology CrossRef
2. Clinical and Bronchoscopy Assessment in Diagnosing the Histopathology Type of Primary Central Lung Tumors
   Mia Elhidsi et al, 2024, The Open Respiratory Medicine Journal CrossRef
3. Influence of Type of Cigarette on Peripheral versus Central Lung Cancer
   Daniel R. Brooks et al, 2005, Cancer Epidemiology, Biomarkers & Prevention CrossRef