1. Canadian Cancer Society: Malignant Tumours of the Lung. Available at: http://www.cancer.ca/en/cancer-information/cancer-type/lung/pathology-and-staging/non-small-cell-lung-cancer/?region=ns. Accessed February 1, 2014.
2. American Lung Association Lung Cancer Fact Sheet. Available at: http://www.lung.org/lung-disease/lung-cancer/resources/facts-figures/lung-cancer-fact-sheet.html. Accessed February 1, 2014.
3. Reduced lung-cancer mortality with low-dose computed tomographic screening;Aberle;N. Engl. J. Med.,2011
4. The Danish randomized lung cancer CT screening trial—Overall design and results of the prevalence round;Pedersen;J. Thorac. Oncol.,2009
5. American Cancer Society lung cancer screening guidelines;Wender;CA Cancer J. Clin.,2013