RT Journal Article SR Electronic T1 Correction: Vascular geometry of the extracranial carotid arteries: an analysis of length, diameter, and tortuosity JF Journal of NeuroInterventional Surgery JO J NeuroIntervent Surg FD BMJ Publishing Group Ltd. SP e9 OP e9 DO 10.1136/neurintsurg-2015-011671corr1 VO 10 IS 5 YR 2018 UL http://jnis.bmj.com/content/10/5/e9.abstract AB