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.
Lane SD, Steinberg JL, Ma L, Hasan KM, Kramer LA, Zuniga EA, Narayana PA, Moeller FG.Lane SD, et al. Among authors: ma l.PLoS One. 2010 Jul 16;5(7):e11591. doi: 10.1371/journal.pone.0011591.PLoS One. 2010.PMID: 20661285Free PMC article.