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.
Arif M, Kazim SF, Grundke-Iqbal I, Garruto RM, Iqbal K.Arif M, et al. Among authors: kazim sf.Proc Natl Acad Sci U S A. 2014 Jan 21;111(3):1144-9. doi: 10.1073/pnas.1322614111. Epub 2014 Jan 6.Proc Natl Acad Sci U S A. 2014.PMID: 24395787Free PMC article.