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- [25] VALUE OF ECHOCARDIOGRAPHIC PARAMETERS IN AORTIC-INSUFFICIENCY ZEITSCHRIFT FUR KARDIOLOGIE, 1979, 68 (09): : 641 - 641
- [29] IS THERE A PHYSIOLOGICAL AORTIC-INSUFFICIENCY - STUDY USING COLOR DOPPLER ECHOCARDIOGRAPHY, CONTRAST ECHOCARDIOGRAPHY AND ANGIOCARDIOGRAPHY ZEITSCHRIFT FUR KARDIOLOGIE, 1986, 75 : 39 - 39