title: [Importance and limitations of directional Doppler ultrasonography (DDS) in neuroangiological diagnosis].
mesh_terms: D001783:Blood Flow Velocity; D002341:Carotid Artery Thrombosis / Q000175:diagnosis; D002343:Carotid Artery, Internal; D002561:Cerebrovascular Disorders / Q000175:diagnosis*; D004301:Doppler Effect; D006801:Humans; D055585:Physical Phenomena; D010825:Physics; D014463:Ultrasonography
vernacular_title: Interessi e limiti dell'ultrasonografia Doppler direzionale (DDS) in diagnostica neuro-angiologica