RT Journal Article SR Electronic T1 M2 middle cerebral artery dissection on 7T MRI JF Stroke and Vascular Neurology JO Stroke Vasc Neurol FD BMJ Publishing Group Ltd SP 550 OP 550 DO 10.1136/svn-2022-001557 VO 7 IS 6 A1 Xie, Xuewei A1 Zhang, Zhe A1 Kong, Qingle A1 Qu, Hui A1 Jing, Jing YR 2022 UL http://svn.bmj.com/content/7/6/550.abstract AB