Headache: Cortical Vein Thrombosis and Response to Anticoagulation
J Emerg Med 17:449-453, Minadeo,J.P &Karaman,B.A., 1999
Diagnosis of Cerebral Venous Thrombosis with Routine Magnetic Resonance: An Update
Eur Neurol 40:179-190, Bianchi,D.,et al, 1998
Dural Arteriovenous Fistulas:Evaluation with MR Imaging
Radiology 175:193-199, DeMarco,J.K.,et al, 1990