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.
Ewing JF, Maines MD.Ewing JF, et al.Proc Natl Acad Sci U S A. 1991 Jun 15;88(12):5364-8. doi: 10.1073/pnas.88.12.5364.Proc Natl Acad Sci U S A. 1991.PMID: 2052613Free PMC article.
Ewing JF, Maines MD.Ewing JF, et al.Brain Res Brain Res Protoc. 1997 May;1(2):165-74. doi: 10.1016/s1385-299x(96)00027-x.Brain Res Brain Res Protoc. 1997.PMID: 9385081Free article.