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.
Nilsson JE, Weisner SEB, Liess A.Nilsson JE, et al.Sci Total Environ. 2023 Sep 20;892:164336. doi: 10.1016/j.scitotenv.2023.164336. Epub 2023 May 24.Sci Total Environ. 2023.PMID: 37236460Free article.
Nilsson JE, de Graaf W, Koch AD.Nilsson JE, et al.Endosc Int Open. 2023 Jan 4;11(1):E19-E23. doi: 10.1055/a-1967-2835. eCollection 2023 Jan.Endosc Int Open. 2023.PMID: 36618872Free PMC article.