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.
Skogstad M, Kjaerheim K, Fladseth G, Gjølstad M, Daae HL, Olsen R, Molander P, Ellingsen DG.Skogstad M, et al. Among authors: daae hl.Occup Environ Med. 2006 Jul;63(7):482-7. doi: 10.1136/oem.2005.024638. Epub 2006 Mar 21.Occup Environ Med. 2006.PMID: 16551754Free PMC article.