RT Journal Article SR Electronic T1 Superficial siderosis following spontaneous intracranial hypotension JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 382 OP 384 DO 10.1136/practneurol-2015-001169 VO 15 IS 5 A1 Alastair J S Webb A1 Enrico Flossmann A1 Richard J E Armstrong YR 2015 UL http://pn.bmj.com/content/15/5/382.abstract AB