RT Journal Article SR Electronic T1 ‘Last known well’ alone should not determine triage for patients with stroke and symptoms of large vessel occlusion JF Journal of NeuroInterventional Surgery JO J NeuroIntervent Surg FD BMJ Publishing Group Ltd. SP 334 OP 335 DO 10.1136/neurintsurg-2016-012398 VO 9 IS 4 A1 Donald V Heck A1 James C Grotta YR 2017 UL http://jnis.bmj.com/content/9/4/334.abstract AB