RT Journal Article SR Electronic T1 Dual microcatheter technique JF Journal of NeuroInterventional Surgery JO J NeuroIntervent Surg FD BMJ Publishing Group Ltd. SP e16 OP e16 DO 10.1136/neurintsurg-2015-012197 VO 9 IS e1 A1 Stephen P Lownie YR 2017 UL http://jnis.bmj.com/content/9/e1/e16.3.abstract AB