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.
Efird JT, Choi YM, Davies SW, Mehra S, Anderson EJ, Katunga LA.Efird JT, et al.Int J Environ Res Public Health. 2014 Feb 21;11(2):2328-45. doi: 10.3390/ijerph110202328.Int J Environ Res Public Health. 2014.PMID: 24566057Free PMC article.Review.
Efird JT, Nielsen SS.Efird JT, et al.Int J Environ Res Public Health. 2008 Dec;5(5):394-8. doi: 10.3390/ijerph5050394.Int J Environ Res Public Health. 2008.PMID: 19151434Free PMC article.
Efird J.Efird J.Int J Environ Res Public Health. 2011 Jan;8(1):15-20. doi: 10.3390/ijerph8010015. Epub 2010 Dec 23.Int J Environ Res Public Health. 2011.PMID: 21318011Free PMC article.
Efird JT, O'Neal WT, Bolin P Jr, Davies SW, O'Neal JB, Anderson CA, Ferguson TB, Chitwood WR, Kypson AP.Efird JT, et al.Int J Environ Res Public Health. 2013 Sep 6;10(9):4175-85. doi: 10.3390/ijerph10094175.Int J Environ Res Public Health. 2013.PMID: 24018839Free PMC article.
Efird JT.Efird JT.Int J Environ Res Public Health. 2013 Oct 21;10(10):5239-43. doi: 10.3390/ijerph10105239.Int J Environ Res Public Health. 2013.PMID: 24157518Free PMC article.