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.
Li L, Borland R, Fong GT, Jiang Y, Yang Y, Wang L, Partos TR, Thrasher JF.Li L, et al.Tob Control. 2015 Jul;24(4):354-61. doi: 10.1136/tobaccocontrol-2013-051384. Epub 2014 Feb 25.Tob Control. 2015.PMID: 24570098Free PMC article.
Thrasher JF, Islam F, Davis RE, Popova L, Lambert V, Cho YJ, Salloum RG, Louviere J, Hammond D.Thrasher JF, et al.Int J Environ Res Public Health. 2018 Feb 6;15(2):282. doi: 10.3390/ijerph15020282.Int J Environ Res Public Health. 2018.PMID: 29415523Free PMC article.Clinical Trial.