Publication info: Br J Neurosurg. 2007 Dec; 21(6):593-8.PMID: 18071987External link: http://www.ncbi.nlm.nih.gov/pubmed/18071987Publication date: December, 2007Authors: Mannion RJ, Wilby M, Godward S, Lyratzopoulos G, Laing RJPublication type: Paper