RT Journal Article SR Electronic T1 An evolving case of headaches and strokes JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 113 OP 117 DO 10.1136/jnnp.2011.242206 VO 11 IS 2 A1 Amit J Shah A1 David P Breen A1 David Thomas A1 Justin Cross A1 Alasdair Coles A1 Paul Molyneux YR 2011 UL http://pn.bmj.com/content/11/2/113.abstract AB