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.
Hu M, Gasser RB, Abs El-Osta YG, Chilton NB.Hu M, et al. Among authors: gasser rb.Parasitology. 2003 Jul;127(Pt 1):37-51. doi: 10.1017/s0031182003003275.Parasitology. 2003.PMID: 12885187