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.
Xavier CR, Mosquera-Corral A, Becerra J, Hernandez V, Vidal G.Xavier CR, et al. Among authors: vidal g.J Environ Sci Health A Tox Hazard Subst Environ Eng. 2009 Mar;44(4):327-35. doi: 10.1080/10934520802659646.J Environ Sci Health A Tox Hazard Subst Environ Eng. 2009.PMID: 19184698
Villamar CA, Jarpa M, Decap J, Vidal G.Villamar CA, et al. Among authors: vidal g.Water Sci Technol. 2009;59(3):507-14. doi: 10.2166/wst.2009.002.Water Sci Technol. 2009.PMID: 19214005