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.
König M, Bakke SJ, Scheie D, Sorteberg W, Meling TR.König M, et al. Among authors: bakke sj.Neurosurgery. 2011 May;68(5):E1468-73; discussion E1473-4. doi: 10.1227/NEU.0b013e318210c7c0.Neurosurgery. 2011.PMID: 21307790
Sorteberg A, Bakke SJ, Boysen M, Sorteberg W.Sorteberg A, et al. Among authors: bakke sj.Neurosurgery. 2008 Oct;63(4):651-60; dicussion 660-1. doi: 10.1227/01.NEU.0000325727.51405.D5.Neurosurgery. 2008.PMID: 18824944