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.
Jones GC, Blotter JD, Smallwood CD, Eggett DL, Cochrane DJ, Feland JB.Jones GC, et al. Among authors: smallwood cd.Int J Environ Res Public Health. 2021 Jul 24;18(15):7853. doi: 10.3390/ijerph18157853.Int J Environ Res Public Health. 2021.PMID: 34360146Free PMC article.Clinical Trial.