1. Ferlay J, Soerjomataram I, Ervik M, Dikshit R, Eser S, Mathers C, Rebelo M, Parkin DM, Forman D, Bray, F. (2013) GLOBOCAN 2012 v1.0, cancer incidence and mortality worldwide: IARC CancerBase No. 11 [ http://globocan.iarc.fr ]. International Agency for Research on Cancer, Lyon, France
2. National Lung Screening Trial Research Team, Aberle DR, Adams AM, Berg CD, Black WC, Clapp JD, Fagerstrom RM et al (2011) Reduced lung-cancer mortality with low-dose computed tomographic screening. N Engl J Med 365:395–409
3. Ganesh B, Sushama S, Monika S, Suvarna P (2011) A case–control study of risk factors for lung cancer in Mumbai, India. Asian Pac J Cancer Prev 12:357–362
4. Ou SH, Ziogas A, Zell JA (2009) Prognostic factors for survival in extensive stage small cell lung cancer (ED-SCLC): the importance of smoking history, socioeconomic and marital statuses, and ethnicity. J Thorac Oncol 4:37–43
5. Swaminathan R, Shanta V, Ferlay J, Balasubramanian S, Bray F, Sankaranarayanan R (2011) Trends in cancer incidence in Chennai City (1982–2006) and statewide predictions of future burden in Tamil Nadu (2007–16). Natl Med J India 24:72–77