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.
Kuo I, Sherman SG, Thomas DL, Strathdee SA.Kuo I, et al. Among authors: sherman sg.Drug Alcohol Depend. 2004 Jan 7;73(1):69-78. doi: 10.1016/j.drugalcdep.2003.10.007.Drug Alcohol Depend. 2004.PMID: 14687961
Lewis DA, Park JN, Vail L, Sine M, Welsh C, Sherman SG.Lewis DA, et al. Among authors: sherman sg.Am J Public Health. 2016 Jul;106(7):1243-6. doi: 10.2105/AJPH.2016.303141. Epub 2016 Apr 14.Am J Public Health. 2016.PMID: 27077351Free PMC article.