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.
Ulén B, Fölster J.Ulén B, et al. Among authors: folster j.Sci Total Environ. 2007 Feb 15;373(2-3):473-87. doi: 10.1016/j.scitotenv.2006.11.032. Epub 2007 Jan 19.Sci Total Environ. 2007.PMID: 17239939
Erlandsson M, Laudon H, Fölster J.Erlandsson M, et al. Among authors: folster j.Sci Total Environ. 2010 Sep 15;408(20):4633-43. doi: 10.1016/j.scitotenv.2010.06.010. Epub 2010 Jul 15.Sci Total Environ. 2010.PMID: 20637494