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.
Schlünssen V, Schaumburg I, Taudorf E, Mikkelsen AB, Sigsgaard T.Schlünssen V, et al.J Occup Environ Med. 2002 Jan;44(1):82-98. doi: 10.1097/00043764-200201000-00013.J Occup Environ Med. 2002.PMID: 11802471
Schlünssen V, Schaumburg I, Heederik D, Taudorf E, Sigsgaard T.Schlünssen V, et al.Occup Environ Med. 2004 Jun;61(6):504-11. doi: 10.1136/oem.2003.007815.Occup Environ Med. 2004.PMID: 15150389Free PMC article.