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.
Juárez P, Walters ST, Daugherty M, Radi C.Juárez P, et al. Among authors: walters st.J Drug Educ. 2006;36(3):233-46. doi: 10.2190/753N-8242-727T-G63L.J Drug Educ. 2006.PMID: 17345916Clinical Trial.
Turner MB, Vader AM, Walters ST.Turner MB, et al. Among authors: walters st.Am J Health Promot. 2008 Jan-Feb;22(3):183-6. doi: 10.4278/ajhp.22.3.183.Am J Health Promot. 2008.PMID: 18251119