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.
Okpara KE, Phoungthong K, Agbozu I, Edwin-Isotu E, Techato K.Okpara KE, et al. Among authors: phoungthong k.Int J Environ Res Public Health. 2022 Feb 15;19(4):2187. doi: 10.3390/ijerph19042187.Int J Environ Res Public Health. 2022.PMID: 35206375Free PMC article.