Dural Arteriovenous Fistulas as a Cause of Intracranial Hypertension Due to Impairment of Cranial Venous Outflow
JNNP 65:308-316, Cognard,C.,et al, 1998
Cerebral Dural Arteriovenous Fistulas:Clin & Angiographic Correl with a Revised Class of Venous Drainage
Radiology 194:671-680, Cognard,C.,et al, 1995