1. Jemal A, Bray F, Center MM, Ferlay J, Ward E, Forman D. Global Cancer Statistics. CA Cancer J Clin. 2011;61(2):69–90.
2. Ferlay J, Shin HR, Bray F, Forman D, Mathers C and Parkin DM. GLOBOCAN 2008 v1.2, Cancer Incidence and Mortality Worldwide: IARC CancerBase No. 10. Lyon, France: International Agency for Research on Cancer; 2010. Available from: http://globocan.iarc.fr ; last accessed: July. 1, 2013.
3. Haque AFMR. Prevention and control of noncommunicable diseases: The Bangladesh perspective. Commonwealth Health Ministers’ Update 2011. Melton, Woodbridge, Suffolk: Pro-Brook Publishing Limited; 2011. p. 100–1.
4. World Health Organization (WHO). Impact of Tobacco-related Illnesses in Bangladesh. New Delhi, India: WHO Regional Office for South-East Asia; 2007. www.searo.who.int/linkfiles/tobacco_free_initiative_health_cost_bangladesh.pdf ; last accessed: July. 1, 2013.
5. Lung Carcinoma: Tumors of the Lungs. Merck Manual Professional Edition, Online edition. Retrieved July.1, 2013.