title: Angiographically occult intracranial vascular malformations.
authors.forename: C S
authors.initials: CS
authors.lastname: Ogilvy
authors.forename: R C
authors.initials: RC
authors.lastname: Heros
mesh_terms: D002533:Cerebral Angiography; D003937:Diagnosis, Differential; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed