Bakker, Nicolaas A Repeat digital subtraction angiography after a negative baseline assessment in nonperimesencephalic subarachnoid hemorrhage: a pooled data meta-analysis. [electronic resource] - Journal of neurosurgery Jan 2014 - 99-103 p. digital Publication Type: Journal Article; Meta-Analysis; Review; Systematic Review ISSN: 1933-0693 Standard No.: 10.3171/2013.9.JNS131337 doi Subjects--Topical Terms: Angiography, Digital Subtraction--methodsBrain--diagnostic imagingCerebral Angiography--methodsHumansSubarachnoid Hemorrhage--diagnostic imaging