1. Social Influence in the Uptake and Use of Electronic Cigarettes: A Systematic Review;Amin;American Journal of Preventive Medicine.,2020
2. National Association of Attorneys General. 1998. Master Settlement Agreement. https://web.archive.org/web/20080625084126/http://www.naag.org/backpages/naag/tobacco/msa/msa-pdf/1109185724_1032468605_cigmsa.pdf. Published 1998. Accessed August 21, 2018.
3. The World Medical Association (WMA) . 1964. World Medical Association Declaration of Helsinki: ethical principles for medical research involving human subjects. https://www.wma.net/policies-post/wma-declaration-of-helsinki-ethical-principles-for-medical-research-involving-human-subjects/. Accessed February 25, 2018.
4. American Lung Association (ALA). Cutting tobacco’s rural roots. 2016. http://www.lung.org/assets/documents/research/cutting-tobaccos-rural-roots.pdf. Published 2015. Accessed October 5, 2017.
5. E-Cigarettes and Future Cigarette Use;Barrington-Trimis;Pediatrics.,2016