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.
Paul C, Bartkowski B, Dönmez C, Don A, Mayer S, Steffens M, Weigl S, Wiesmeier M, Wolf A, Helming K.Paul C, et al. Among authors: steffens m.J Environ Manage. 2023 Mar 15;330:117142. doi: 10.1016/j.jenvman.2022.117142. Epub 2023 Jan 4.J Environ Manage. 2023.PMID: 36608610Free article.
Wolters A, Steffens M.Wolters A, et al. Among authors: steffens m.Environ Sci Technol. 2005 Aug 15;39(16):6071-8. doi: 10.1021/es048264z.Environ Sci Technol. 2005.PMID: 16173565
O'Toole A, Knoth de Zarruk K, Steffens M, Rasse DP.O'Toole A, et al. Among authors: steffens m.J Environ Qual. 2013 Mar-Apr;42(2):429-36. doi: 10.2134/jeq2012.0163.J Environ Qual. 2013.PMID: 23673835
Karras J, Harrison M, Steffens M, Abdi I, Seale H.Karras J, et al. Among authors: steffens m.Vaccine. 2024 Apr 2;42(9):2407-2413. doi: 10.1016/j.vaccine.2024.03.004. Epub 2024 Mar 6.Vaccine. 2024.PMID: 38453619Free article.