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.
von der Ohe PC, Prüss A, Schäfer RB, Liess M, de Deckere E, Brack W.von der Ohe PC, et al. Among authors: schafer rb.J Environ Monit. 2007 Sep;9(9):970-8. doi: 10.1039/b704699p. Epub 2007 Jul 30.J Environ Monit. 2007.PMID: 17726558
Liess M, Schäfer RB, Schriever CA.Liess M, et al. Among authors: schafer rb.Sci Total Environ. 2008 Dec 1;406(3):484-90. doi: 10.1016/j.scitotenv.2008.05.054. Epub 2008 Jul 24.Sci Total Environ. 2008.PMID: 18653215
Schäfer RB, Paschke A, Liess M.Schäfer RB, et al.J Chromatogr A. 2008 Aug 29;1203(1):1-6. doi: 10.1016/j.chroma.2008.05.098. Epub 2008 Jul 16.J Chromatogr A. 2008.PMID: 18656882
Beketov MA, Schäfer RB, Marwitz A, Paschke A, Liess M.Beketov MA, et al. Among authors: schafer rb.Sci Total Environ. 2008 Nov 1;405(1-3):96-108. doi: 10.1016/j.scitotenv.2008.07.001. Epub 2008 Aug 29.Sci Total Environ. 2008.PMID: 18760829