RT Journal Article SR Electronic T1 Case series analysis, meta-analysis or no analysis in the evaluation of neurosurgical techniques: get better or get out JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 828 OP 828 DO 10.1136/jnnp-2013-305130 VO 84 IS 8 A1 Warnke, Peter C YR 2013 UL http://jnnp.bmj.com/content/84/8/828.abstract AB