1. World Health Organization (2017) Global tuberculosis report 2017. In: Series Global tuberculosis report 2017. World Health Organization, Geneva. Retrieved November 2017 from http://apps.who.int/iris/bitstream/10665/259366/1/9789241565516-eng.pdf?ua=1 . Accessed Oct 2017
2. World Health Organization (2015) Global report on trends in prevalence of tobacco smoking. World Health Organization, Geneva http://apps.who.int/iris/bitstream/10665/156262/1/9789241564922_eng.pdf . Accessed Feb 2016
3. Amere G, Nayak P, Salindri A, Venkat KN, Magee M (2018) Contribution of smoking to tuberculosis incidence and mortality in high tuberculosis burden countries. Am J Epidemiol
4. China center for disease control and prevention (2015) Chinese adult tobacco survey report[EB/OL]. China, Beijing. (Chinese published). http://www.chinacdc.cn/gwswxx/kyb/201512/t20151228_123960.html . Accessed Dec 2015
5. World Health Organization (2014) Global Status Report on Alcohol and Health. World Health Organization, Geneva. http://www.who.int/substance_abuse/publications/alcohol_2014/en/ . Accessed May 2014