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.
Jacob V, Le Cam J, Ego-Stengel V, Shulz DE.Jacob V, et al.Neuron. 2008 Dec 26;60(6):1112-25. doi: 10.1016/j.neuron.2008.10.017.Neuron. 2008.PMID: 19109915Free article.