title: Assessment of low-gradient aortic stenosis with dobutamine.
authors.forename: Paul A
authors.initials: PA
authors.lastname: Grayburn
mesh_terms: D001021:Aortic Valve / Q000473:pathology; D001024:Aortic Valve Stenosis / Q000175:diagnosis*; D001783:Blood Flow Velocity; D004280:Dobutamine; D006801:Humans
chemical_list: D004280:Dobutamine