title: Follow up of patients treated with balloon dilatation of the aortic valve.
authors.forename: D
authors.initials: D
authors.lastname: Teien
mesh_terms: D000328:Adult; D001024:Aortic Valve Stenosis / Q000628:therapy*; D002404:Catheterization; D002648:Child; D015150:Echocardiography, Doppler; D006801:Humans