1. WHO (The World Health Organization). WHO report on the global tobacco epidemic 2015. 2015; Available from: http://www.who.int/tobacco/global_report/2015/en/.
2. CDC (Centers for Disease Control and Prevention). Tobacco-Related Mortality. 2017; Available from: https://www.cdc.gov/tobacco/data_statistics/fact_sheets/health_effects/tobacco_related_mortality/index.htm.
3. Addressing Health-Related Misinformation on Social Media;W Chou;JAMA,2018
4. Effects of Anti-Smoking Advertising on Youth Smoking: A Review;M Wakefield;Journal of Health Communication,2003