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.
Chuppava B, Keller B, El-Wahab AA, Meißner J, Kietzmann M, Visscher C.Chuppava B, et al. Among authors: visscher c.Int J Environ Res Public Health. 2018 Sep 13;15(9):1993. doi: 10.3390/ijerph15091993.Int J Environ Res Public Health. 2018.PMID: 30216998Free PMC article.
Visscher C, Hankel J, Nies A, Keller B, Galvez E, Strowig T, Keller C, Breves G.Visscher C, et al.Front Vet Sci. 2019 Feb 12;6:29. doi: 10.3389/fvets.2019.00029. eCollection 2019.Front Vet Sci. 2019.PMID: 30809530Free PMC article.