title: [Value of echocardiographic examination for evaluation of the degree of aortic valve stenosis].
mesh_terms: D000293:Adolescent; D001021:Aortic Valve / Q000503:physiopathology; D001024:Aortic Valve Stenosis / Q000175:diagnosis*; D002648:Child; D002675:Child, Preschool; D004452:Echocardiography; D006801:Humans
vernacular_title: Wartość badania echokardiograficznego w ocenie stopnia zwezenia aorty.