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.
Sieg M, Busch J, Eschke M, Böttcher D, Heenemann K, Vahlenkamp A, Reinert A, Seeger J, Heilmann R, Scheffler K, Vahlenkamp TW.Sieg M, et al. Among authors: bottcher d.Viruses. 2019 Feb 9;11(2):146. doi: 10.3390/v11020146.Viruses. 2019.PMID: 30744110Free PMC article.
Doerffel A, Reinert A, Böttcher D, Winter K, Brehm W, Gittel C.Doerffel A, et al. Among authors: bottcher d.Tierarztl Prax Ausg G Grosstiere Nutztiere. 2022 Apr;50(2):101-114. doi: 10.1055/a-1809-6477. Epub 2022 May 6.Tierarztl Prax Ausg G Grosstiere Nutztiere. 2022.PMID: 35523187German.
Lendner M, Böttcher D, Delling C, Ojo KK, Van Voorhis WC, Daugschies A.Lendner M, et al. Among authors: bottcher d.Parasitol Res. 2015 Jan;114(1):335-6. doi: 10.1007/s00436-014-4228-7. Epub 2014 Nov 15.Parasitol Res. 2015.PMID: 25398685Free PMC article.