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.
Hirsch JA, Martinez LM, Pillai C, Alonso JM, Wang Q, Sommer FT.Hirsch JA, et al. Among authors: martinez lm.Nat Neurosci. 2003 Dec;6(12):1300-8. doi: 10.1038/nn1152. Epub 2003 Nov 16.Nat Neurosci. 2003.PMID: 14625553