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.
Cohn A, Johnson A, Ehlke S, Villanti AC.Cohn A, et al.Drug Alcohol Depend. 2016 Mar 1;160:105-11. doi: 10.1016/j.drugalcdep.2015.12.017. Epub 2015 Dec 30.Drug Alcohol Depend. 2016.PMID: 26803718
Cha S, Ganz O, Cohn AM, Ehlke SJ, Graham AL.Cha S, et al. Among authors: ehlke sj.Addict Behav. 2017 Oct;73:204-208. doi: 10.1016/j.addbeh.2017.05.020. Epub 2017 May 22.Addict Behav. 2017.PMID: 28551588Free PMC article.
Cohn A, Ehlke S.Cohn A, et al.Subst Use Misuse. 2017 Nov 10;52(13):1784-1794. doi: 10.1080/10826084.2017.1313864. Epub 2017 Jul 25.Subst Use Misuse. 2017.PMID: 28742413