title: Angiography, air embolism, and ultrasound.
authors.affiliation: Department of Neurology, Austin Hospital, Heidelberg, Australia.
authors.forename: G A
authors.initials: GA
authors.lastname: Donnan
mesh_terms: D002533:Cerebral Angiography / Q000009:adverse effects* / Q000379:methods; D002536:Cerebral Arteries / Q000000981:diagnostic imaging*; D004618:Embolism, Air / Q000000981:diagnostic imaging / Q000209:etiology* / Q000517:prevention & control; D006801:Humans; D014463:Ultrasonography