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.
Zhang Y, Spadaro DA, King JJ, Simpson SL.Zhang Y, et al. Among authors: simpson sl.Environ Pollut. 2020 Nov;266(Pt 1):115187. doi: 10.1016/j.envpol.2020.115187. Epub 2020 Jul 6.Environ Pollut. 2020.PMID: 32668359
Atkinson CA, Jolley DF, Simpson SL.Atkinson CA, et al. Among authors: simpson sl.Chemosphere. 2007 Nov;69(9):1428-37. doi: 10.1016/j.chemosphere.2007.04.068. Epub 2007 Jun 12.Chemosphere. 2007.PMID: 17568653