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.
Lin JS, Piper MA, Perdue LA, Rutter CM, Webber EM, O'Connor E, Smith N, Whitlock EP.Lin JS, et al. Among authors: webber em.JAMA. 2016 Jun 21;315(23):2576-94. doi: 10.1001/jama.2016.3332.JAMA. 2016.PMID: 27305422Review.
Burda BU, O'Connor EA, Webber EM, Redmond N, Perdue LA.Burda BU, et al. Among authors: webber em.Res Synth Methods. 2017 Sep;8(3):258-262. doi: 10.1002/jrsm.1232. Epub 2017 Mar 7.Res Synth Methods. 2017.PMID: 28268241