1. U.S. DHHS. E-Cigarette Use Among Youth and Young Adults. A Report of the Surgeon General. Atlanta, GA: U.S. DHHS, CDC, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health. https://e-cigarettes.surgeongeneral.gov/documents/2016_SGR_Full_Report_non-508.pdf. Published 2016. Accessed January 27, 2017.
2. Johnston LD, O’Malley PM, Miech RA, Bachman JG, Schulenberg JE. Monitoring the Future National Survey Results on Drug Use, 1975–2015: Overview, Key Findings on Adolescent Drug Use. Ann Arbor: Institute for Social Research, The University of Michigan. Ann Arbor, MI: Institute for Social Research, University of Michigan. www.monitoringthefuture.org/pubs/monographs/mtf-overview2015.pdf. Published 2016. Accessed January 20, 2017.
3. Tobacco use among middle and high school students–United States, 2011–2015;Singh;MMWR Morb Mortal Wkly Rep,2016
4. Safety evaluation and risk assessment of electronic cigarettes as tobacco cigarette substitutes: a systematic review;Farsalinos;Ther Adv Drug Saf,2014
5. Risk factors for exclusive e-cigarette use and dual e-cigarette use and tobacco use in adolescents;Wills;Pediatrics,2015