Alonso Gómez, A M [The role of Doppler of effort in the indications for percutaneous valvuloplasty and/or mitral surgery in patients with a preserved functional class]. [electronic resource] - Revista espanola de cardiologia Mar 1993 - 160-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0300-8932 Subjects--Topical Terms: AdultCatheterizationEchocardiography, Doppler--instrumentationExercise Test--instrumentationFemaleHemodynamicsHumansMaleMiddle AgedMitral Valve--diagnostic imagingMitral Valve Stenosis--diagnostic imaging