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.
van Keulen H, Feely DE, Macechko PT, Jarroll EL, Erlandsen SL.van Keulen H, et al. Among authors: feely de.J Parasitol. 1998 Apr;84(2):294-300.J Parasitol. 1998.PMID: 9576501
Feely DE, Chase DG, Hardin EL, Erlandsen SL.Feely DE, et al.J Protozool. 1988 Feb;35(1):151-8. doi: 10.1111/j.1550-7408.1988.tb04095.x.J Protozool. 1988.PMID: 3284999