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.
Hammett P, Fu SS, Nelson D, Clothier B, Saul JE, Widome R, Danan ER, Burgess DJ.Hammett P, et al. Among authors: nelson d.Nicotine Tob Res. 2018 Feb 7;20(3):286-294. doi: 10.1093/ntr/ntx085.Nicotine Tob Res. 2018.PMID: 28398492Free PMC article.Clinical Trial.
Fu SS, Kodl M, Willenbring M, Nelson DB, Nugent S, Gravely AA, Joseph AM.Fu SS, et al.Drug Alcohol Depend. 2008 Jan 1;92(1-3):61-8. doi: 10.1016/j.drugalcdep.2007.06.014. Epub 2007 Aug 6.Drug Alcohol Depend. 2008.PMID: 17689205Free PMC article.Clinical Trial.
Kodl MM, Fu SS, Willenbring ML, Gravely A, Nelson DB, Joseph AM.Kodl MM, et al.Alcohol Clin Exp Res. 2008 Jan;32(1):92-9. doi: 10.1111/j.1530-0277.2007.00556.x. Epub 2007 Dec 12.Alcohol Clin Exp Res. 2008.PMID: 18076750Clinical Trial.