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.
Tiersch KM, Daş G, Samson-Himmelstjerna GV, Gauly M.Tiersch KM, et al. Among authors: samson himmelstjerna gv.Parasitol Res. 2013 Jan;112(1):357-64. doi: 10.1007/s00436-012-3143-z. Epub 2012 Oct 3.Parasitol Res. 2013.PMID: 23052774Free PMC article.