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.
Herrera-Sepúlveda A, Hernandez-Saavedra NY, Medlin LK, West N.Herrera-Sepúlveda A, et al.Environ Sci Pollut Res Int. 2013 Oct;20(10):6863-71. doi: 10.1007/s11356-012-1033-7. Epub 2012 Jun 29.Environ Sci Pollut Res Int. 2013.PMID: 22744160