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.
Uusi-Kämppä J, Turtola E, Närvänen A, Jauhiainen L, Uusitalo R.Uusi-Kämppä J, et al. Among authors: jauhiainen l.J Environ Qual. 2012 Mar-Apr;41(2):420-6. doi: 10.2134/jeq2010.0441.J Environ Qual. 2012.PMID: 22370404