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.
Garwicz M, Ekerot CF.Garwicz M, et al. Among authors: ekerot cf.J Physiol. 1994 Jan 15;474(2):245-60. doi: 10.1113/jphysiol.1994.sp020017.J Physiol. 1994.PMID: 8006811Free PMC article.