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.
Wong MM, Puttler LI, Nigg JT, Zucker RA.Wong MM, et al. Among authors: puttler li.Addict Behav. 2018 Jul;82:65-71. doi: 10.1016/j.addbeh.2018.02.006. Epub 2018 Feb 14.Addict Behav. 2018.PMID: 29494860Free PMC article.
Buu A, Wang W, Schroder SA, Kalaida NL, Puttler LI, Zucker RA.Buu A, et al. Among authors: puttler li.J Abnorm Psychol. 2012 Nov;121(4):897-908. doi: 10.1037/a0024926. Epub 2011 Aug 15.J Abnorm Psychol. 2012.PMID: 21842966Free PMC article.