1. Cancer statistics, 2006;Jemal;CA Cancer J Clin,2006
2. Annual smoking-attributable mortality, years of potential life lost, and productivity losses—United States, 1997–2001;MMWR Morb Mortal Wkly Rep,2005
3. Lung cancer death rates in lifelong nonsmokers;Thun;J Natl Cancer Inst,2006
4. Natural history of non-small cell lung cancer in non-smokers;Dibble;Proc Am Soc Clin Oncol,2005
5. Improved survival in never-smokers vs current smokers with primary adenocarcinoma of the lung;Nordquist;Chest,2004