title: Dobutamine challenge for low-gradient aortic stenosis.
authors.forename: Paul A
authors.initials: PA
authors.lastname: Grayburn
authors.forename: Eric J
authors.initials: EJ
authors.lastname: Eichhorn
mesh_terms: D000318:Adrenergic beta-Agonists; D001024:Aortic Valve Stenosis / Q000175:diagnosis* / Q000503:physiopathology; D006328:Cardiac Catheterization; D004280:Dobutamine; D004452:Echocardiography; D006801:Humans
chemical_list: D000318:Adrenergic beta-Agonists; D004280:Dobutamine