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.
Sörensen N, Krauss J.Sörensen N, et al. Among authors: krauss j.J Neurosurg. 1991 Jan;74(1):143-6. doi: 10.3171/jns.1991.74.1.0143.J Neurosurg. 1991.PMID: 1984497
Collmann H, Sörensen N, Krauss J, Mühling J.Collmann H, et al. Among authors: krauss j.Childs Nerv Syst. 1988 Oct;4(5):279-85. doi: 10.1007/BF00271924.Childs Nerv Syst. 1988.PMID: 3242797
Collmann H, Sörensen N, Krauss J.Collmann H, et al. Among authors: krauss j.Childs Nerv Syst. 1996 Nov;12(11):664-8. doi: 10.1007/BF00366148.Childs Nerv Syst. 1996.PMID: 9118128Review.