1. The future worldwide health effects of current smoking patterns;Peto R,2004
2. Youth tobacco surveillance - United States, 2001-2002;Marshall L;MMWR Surveill Summ,2006
3. Prevalence and attitude of cigarette smoking among Indian expatriates living in Jeddah, Kingdom of Saudi Arabia;Ahmad MS;J Int Oral Health,2015
4. Tobacco. World Health Organization, USA. (2023). https.//www.who.int/news-room/fact-sheets/detail/tobacco.
5. New insights into oral cancer-risk factors and prevention: a review of literature;Irani S;Int J Prev Med,2020