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Helland CA, Lund-Johansen M, Wester K.Helland CA, et al. Among authors: wester k.J Neurosurg. 2010 Nov;113(5):934-9. doi: 10.3171/2009.11.JNS081663. Epub 2010 Jan 22.J Neurosurg. 2010.PMID: 20095787
Aarhus M, Helland CA, Wester K.Aarhus M, et al. Among authors: wester k.Acta Neurochir (Wien). 2009 Dec;151(12):1569-74. doi: 10.1007/s00701-009-0316-3. Epub 2009 May 5.Acta Neurochir (Wien). 2009.PMID: 19415178
Helland CA, Aarhus M, Knappskog P, Olsson LK, Lund-Johansen M, Amiry-Moghaddam M, Wester K.Helland CA, et al. Among authors: wester k.Exp Neurol. 2010 Aug;224(2):424-8. doi: 10.1016/j.expneurol.2010.05.002. Epub 2010 May 21.Exp Neurol. 2010.PMID: 20471979