RT Journal Article SR Electronic T1 Laying on the cause of stroke? JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 157 OP 159 DO 10.1136/practneurol-2015-001190 VO 16 IS 2 A1 Erin Norby A1 Joseph Zachariah A1 Eelco F M Wijdicks YR 2016 UL http://pn.bmj.com/content/16/2/157.abstract AB