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.
Fernández D, Al-Boloushi Z, Bellosta-López P, Herrero P, Gómez M, Calvo S.Fernández D, et al. Among authors: al boloushi z.Int J Environ Res Public Health. 2021 Feb 12;18(4):1777. doi: 10.3390/ijerph18041777.Int J Environ Res Public Health. 2021.PMID: 33673068Free PMC article.Clinical Trial.