Subarachnoid Hemorrhage
NEJM 377:257-266, Lawton, M.T. & Vates, G.E., 2017
Spinal Dural Arteriovenous Fistulas
AJNR 30:639-648, Krings,T. &Geibprasert,S., 2009
Digital Subtraction Angiography in Cerebrovascular Disease
Stroke 13:557-566, Little,J.R.,et al, 1982