1. Bray, F., Ferlay, J., Soerjomataram, I., Siegel, R. L., Torre, L. A., & Jemal, A. (2018). Global cancer statistics 2018: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA: Cancer Journal for Clinicians, 68, 394–424.
2. Ferlay, J., Shin, H. R., Bray, F., Forman, D., Mathers, C., & Parkin, D. M. (2010). Estimates of worldwide burden of cancer in 2008: GLOBOCAN 2008. International Journal of Cancer, 127(12), 2893–2917.
3. Cheng, T.-Y. D., Cramb, S. M., Baade, P. D., Youlden, D. R., Nwogu, C., & Reid, M. E. (2016). The international epidemiology of lung cancer: Latest trends, disparities, and tumor characteristics. Journal of Thoracic Oncology, 11(10), 1653–1671.
4. Ellis, P. M., & Vandermeer, R. (2011). Delays in the diagnosis of lung cancer. Journal of Thoraic Disease, 3(3), 183–188.
5. Kenfield, S. A., Wei, E. K., Stampfer, M. J., et al. (2008). Comparison of aspects of smoking among the four histological types of lung cancer. Tobacco Control, 17, 198–204.