An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Levy DT, Cummings KM, Hyland A.Levy DT, et al.Am J Public Health. 2000 Aug;90(8):1311-4. doi: 10.2105/ajph.90.8.1311.Am J Public Health. 2000.PMID: 10937017Free PMC article.
Hyland A, Levy DT, Rezaishiraz H, Hughes JR, Bauer JE, Giovino GA, Cummings KM.Hyland A, et al. Among authors: levy dt.Psychol Addict Behav. 2005 Jun;19(2):221-5. doi: 10.1037/0893-164X.19.2.221.Psychol Addict Behav. 2005.PMID: 16011395
Levy DT, Fouad H, Levy J, Dragomir AD, El Awa F.Levy DT, et al. Among authors: levy j.Tob Control. 2016 Jul;25(4):413-21. doi: 10.1136/tobaccocontrol-2015-052334. Epub 2015 Jun 16.Tob Control. 2016.PMID: 26080365Free PMC article.
Reynales-Shigematsu LM, Fleischer NL, Thrasher JF, Zhang Y, Meza R, Cummings KM, Levy DT.Reynales-Shigematsu LM, et al. Among authors: levy dt.Rev Panam Salud Publica. 2015 Oct;38(4):316-25.Rev Panam Salud Publica. 2015.PMID: 26758223
Fleischer NL, Thrasher JF, Reynales-Shigematsu LM, Cummings KM, Meza R, Zhang Y, Levy DT.Fleischer NL, et al. Among authors: levy dt.Glob Public Health. 2017 Jul;12(7):830-845. doi: 10.1080/17441692.2015.1123749. Epub 2016 Feb 2.Glob Public Health. 2017.PMID: 26837721Free PMC article.