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.
Beletsky L, Davis CS, Anderson E, Burris S.Beletsky L, et al.Am J Public Health. 2008 Feb;98(2):231-7. doi: 10.2105/AJPH.2006.103747. Epub 2008 Jan 2.Am J Public Health. 2008.PMID: 18172151Free PMC article.
Davis CS, Beletsky L.Davis CS, et al. Among authors: beletsky l.Harm Reduct J. 2009 Jul 14;6:16. doi: 10.1186/1477-7517-6-16.Harm Reduct J. 2009.PMID: 19602236Free PMC article.
Silverman B, Davis CS, Graff J, Bhatti U, Santos M, Beletsky L.Silverman B, et al. Among authors: beletsky l.Harm Reduct J. 2012 May 16;9:17. doi: 10.1186/1477-7517-9-17.Harm Reduct J. 2012.PMID: 22591836Free PMC article.