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    Pre- and Postoperative Echographic Investigation of Left Ventricular Function in Aortic Stenosis (AS)

    The purpose of this study was to serially evaluate non-invasively the results of surgery upon left ventricular function in children with significant AS. Six groups of patients were evaluated: aortic stenosis −...

    Richard A. Meyer, Joan Korfhagen, Gregory L. Johnson… in Ultrasound in Medicine (1976)