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.
Gálvez-Jiménez N, Lang AE.Gálvez-Jiménez N, et al.Neurol Clin. 2004 May;22(2):367-77. doi: 10.1016/j.ncl.2004.01.004.Neurol Clin. 2004.PMID: 15062517Review.
Galvez-Jimenez N, Hanson MR.Galvez-Jimenez N, et al.Headache. 2001 Jun;41(6):607. doi: 10.1046/j.1526-4610.2001.041006607.x.Headache. 2001.PMID: 11437903No abstract available.