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.
Leigh JP, Gillen M, Franks P, Sutherland S, Nguyen HH, Steenland K, Xing G.Leigh JP, et al.Curr Med Res Opin. 2007 Sep;23(9):2093-105. doi: 10.1185/030079907X219517.Curr Med Res Opin. 2007.PMID: 17655812
Leigh JP, Yasmeen S, Miller TR.Leigh JP, et al.Scand J Work Environ Health. 2003 Aug;29(4):304-13. doi: 10.5271/sjweh.735.Scand J Work Environ Health. 2003.PMID: 12934724Free article.
Leigh JP, Waehrer G, Miller TR, Keenan C.Leigh JP, et al.Scand J Work Environ Health. 2004 Jun;30(3):199-205. doi: 10.5271/sjweh.780.Scand J Work Environ Health. 2004.PMID: 15250648Free article.