RT Journal Article SR Electronic T1 Dural ectasia: a manifestation of type 1 neurofibromatosis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1448 OP 1448 DO 10.1503/cmaj.092004 VO 182 IS 13 A1 Colin Yi-Loong Woon YR 2010 UL http://www.cmaj.ca/content/182/13/1448.abstract