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.
Morris EP, Stewart SH, Ham LS.Morris EP, et al. Among authors: ham ls.Clin Psychol Rev. 2005 Sep;25(6):734-60. doi: 10.1016/j.cpr.2005.05.004.Clin Psychol Rev. 2005.PMID: 16042994Review.
Zamboanga BL, Ham LS.Zamboanga BL, et al. Among authors: ham ls.Behav Ther. 2008 Jun;39(2):162-70. doi: 10.1016/j.beth.2007.06.002. Epub 2007 Nov 26.Behav Ther. 2008.PMID: 18502249
Carrigan MH, Ham LS, Thomas SE, Randall CL.Carrigan MH, et al. Among authors: ham ls.Addict Behav. 2008 Sep;33(9):1162-6. doi: 10.1016/j.addbeh.2008.04.020. Epub 2008 May 10.Addict Behav. 2008.PMID: 18550293Free PMC article.