RT Journal Article SR Electronic T1 Spinal dural arteriovenous fistula presenting as progressive thoracic myelopathy JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 435 OP 436 DO 10.1136/practneurol-2021-002985 VO 21 IS 5 A1 Nabeela Nathoo A1 Erin F Balcom A1 Stephen Joza A1 Thomas Yeo A1 Cian O'Kelly A1 Aakash Shetty YR 2021 UL http://pn.bmj.com/content/21/5/435.abstract AB