1Lindower PD,Rath L,Prealar J,et al.Quantifica tion of left ventricular function with an automated border detection system and comparison with adionuclide ventriculography. The American Journal of Cardiology . 1994
2Perez JE,Waggoner AD,Barzilai B,et al.Online assressment of ventricular ejection fraction by acoustic quantification automatic borndary detection and ultrasonic backscatter imaging. Journal of the American College of Cardiology . 1992
3Vanoverschelder JL,Hanet C,Wijns W,et al.Online quantification of left ventricular volumes and ejection fraction by automated backscatter imaging assisted boundary detection: Comparison with contrast cine ventriculography. The American Journal of Cardiology . 1994
4Foley DA,Seward JB,Tajik.Assessment of left ventricular diastolic function with a new automated ecbocardiographic border detection system: Comparison with Doppler. Journal of the American College of Cardiology . 1992
5Yvorchuk KJ,Davies RA,Chan KL.Measurcent of left ventricular ejection fraction by acoustic quantification and comparison with radionuclide angiography. The American Journal of Cardiology . 1994
