Andersen, A The cardiac response to exercise in aortic valvular disease before and after ball valve replacement. [electronic resource] - Acta medica Scandinavica Oct 1971 - 251-5 p. digital Publication Type: Journal Article ISSN: 0001-6101 Standard No.: 10.1111/j.0954-6820.1971.tb07426.x doi Subjects--Topical Terms: AdultAortic Valve Insufficiency--physiopathologyAortic Valve Stenosis--physiopathologyCardiac CatheterizationCardiac OutputCardiac Surgical ProceduresCardiac VolumeElectrocardiographyFemaleHeart--physiopathologyHeart Valve ProsthesisHumansMaleMiddle AgedOxygen--bloodOxygen ConsumptionPhysical ExertionPostoperative ComplicationsPosture