RT Journal Article SR Electronic T1 Beware the middle-aged migraine: internal carotid artery dissection mimicking migraine in the emergency department JF BMJ Case Reports FD BMJ Publishing Group Ltd SP bcr-2017-221774 DO 10.1136/bcr-2017-221774 VO 2017 A1 Austin Donnelly A1 Brendan Sinnott A1 Ryan Boyle A1 Ian Rennie YR 2017 UL http://casereports.bmj.com/content/2017/bcr-2017-221774.abstract AB