RT Journal Article SR Electronic T1 Spinal claudication due to myxopapillary ependymoma JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 394 OP 396 DO 10.1136/jnnp.2007.134049 VO 7 IS 6 A1 S R L Stacpoole A1 C McGuigan A1 S J G Lewis A1 R Phadke A1 J Stevens A1 D Choi A1 R Kapoor YR 2007 UL http://pn.bmj.com/content/7/6/394.abstract AB