title: Classification of AVMs.
authors.forename: J J
authors.initials: JJ
authors.lastname: Morcos
authors.forename: R F
authors.initials: RF
authors.lastname: Spetzler
mesh_terms: D002342:Carotid Artery, External / Q000473:pathology; D004388:Dura Mater / Q000098:blood supply; D005004:Ethmoid Bone / Q000098:blood supply; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000145:classification* / Q000628:therapy; D002542:Intracranial Embolism and Thrombosis / Q000628:therapy; D008297:Male; D008875:Middle Aged; D009880:Ophthalmic Artery / Q000473:pathology; D010841:Pia Mater / Q000098:blood supply; D014654:Vascular Patency