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.
Rato Barrio M, Ley C, Schomöller A, Dumon D.Rato Barrio M, et al. Among authors: ley c.Int J Environ Res Public Health. 2021 Jun 17;18(12):6543. doi: 10.3390/ijerph18126543.Int J Environ Res Public Health. 2021.PMID: 34204539Free PMC article.Review.
Ley C.Ley C.Int J Environ Res Public Health. 2020 Oct 26;17(21):7830. doi: 10.3390/ijerph17217830.Int J Environ Res Public Health. 2020.PMID: 33114636Free PMC article.
Ley C, Barrio MR, Leach L.Ley C, et al.Open AIDS J. 2015 Oct 20;9:96-103. doi: 10.2174/1874613601509010096. eCollection 2015.Open AIDS J. 2015.PMID: 26587078Free PMC article.