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.
Loveman E, Al-Khudairy L, Johnson RE, Robertson W, Colquitt JL, Mead EL, Ells LJ, Metzendorf MI, Rees K.Loveman E, et al. Among authors: colquitt jl.Cochrane Database Syst Rev. 2015 Dec 21;2015(12):CD012008. doi: 10.1002/14651858.CD012008.Cochrane Database Syst Rev. 2015.PMID: 26690844Free PMC article.Review.
Scott DA, Loveman E, Colquitt JL, O'Reilly K.Scott DA, et al. Among authors: colquitt jl.Medicina (Kaunas). 2019 Aug 6;55(8):443. doi: 10.3390/medicina55080443.Medicina (Kaunas). 2019.PMID: 31390809Free PMC article.