1. International Agency for Research on Cancer Globocan 2012: estimated cancer incidence, mortality and prevalence worldwide in 2012 http://globocan.iarc.fr
2. National Cancer Institute Surveillance, epidemiology, and end results program: turning cancer data into discovery http://seer.cancer.gov
3. U.S. National Institutes of Health http://clinicaltrials.gov
4. Icotinib: kick-starting the Chinese anticancer drug industry;Camidge;Lancet Oncol,2013
5. Chinese guidelines on the diagnosis and treatment of primary lung cancer (2011);Zhi;J Thorac Dis,2012