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.
Khan AA, Strawn JR, Croarkin PE.Khan AA, et al. Among authors: croarkin pe.Adolesc Health Med Ther. 2010 Oct 11;1:137-43. doi: 10.2147/AHMT.S7586. eCollection 2010.Adolesc Health Med Ther. 2010.PMID: 24600269Free PMC article.Review.