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.
Melendez-Torres GJ, Tancred T, Fletcher A, Thomas J, Campbell R, Bonell C.Melendez-Torres GJ, et al. Among authors: fletcher a.Child Care Health Dev. 2018 Jul;44(4):516-530. doi: 10.1111/cch.12558. Epub 2018 Feb 15.Child Care Health Dev. 2018.PMID: 29446116
Bonell C, Harden A, Wells H, Jamal F, Fletcher A, Petticrew M, Thomas J, Whitehead M, Campbell R, Murphy S, Moore L.Bonell C, et al. Among authors: fletcher a.BMC Public Health. 2011 Jun 9;11:453. doi: 10.1186/1471-2458-11-453.BMC Public Health. 2011.PMID: 21658232Free PMC article.