RT Journal Article SR Electronic T1 Extending boundaries for thrombectomy in stroke JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 2 OP 3 DO 10.1136/practneurol-2019-002405 VO 20 IS 1 A1 Rose Bosnell YR 2020 UL http://pn.bmj.com/content/20/1/2.abstract AB