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.
Onyeneho SN, Hedberg CW.Onyeneho SN, et al. Among authors: hedberg cw.Int J Environ Res Public Health. 2013 Aug 2;10(8):3296-309. doi: 10.3390/ijerph10083296.Int J Environ Res Public Health. 2013.PMID: 23917815Free PMC article.
Allwood PB, Malik YS, Maherchandani S, Hedberg CW, Goyal SM.Allwood PB, et al. Among authors: hedberg cw.Int J Environ Res Public Health. 2005 Dec;2(3-4):442-6. doi: 10.3390/ijerph2005030008.Int J Environ Res Public Health. 2005.PMID: 16819099
Reske KA, Jenkins T, Fernandez C, VanAmber D, Hedberg CW.Reske KA, et al. Among authors: hedberg cw.J Environ Health. 2007 May;69(9):27-34, 76; quiz 79-80.J Environ Health. 2007.PMID: 17506354