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Angiology|December 1, 1981
First heart sound in atrial septal defectH Kitapci, F Portaluppi, A A LuisadaActa Cardiologica|January 1, 1985
Considerations on the mechanism of the systolic click of mitral valve prolapseA A Luisada, F PortaluppiJapanese Heart Journal|September 1, 1981
Peculiarities of the first heart sound in bundle branch blocks. A new interpretation based on graphic analysisA A Luisada, F PortaluppiActa Cardiologica|January 1, 1983
Transmission delays of different portions of the arterial pulse. A comparison between the indirect aortic and carotid pulse tracingsF Portaluppi, V Knighten, A A LuisadaAdvances in Cardiology|January 1, 1985
Assessment of left ventricular function by noninvasive methodsA A Luisada, A Singhal, F PortaluppiAngiology|July 1, 1981
Abnormal left ventricular contraction revealed by impedance cardiograms and arterial tracings in bundle branch blocks and old myocardial infarctsA A Luisada, G L Perez, H Kitapci, et al.Clinical Cardiology|July 1, 1985
Noninvasive index of cardiac contractility during stress testing: a collaborative studyA A Luisada, A Singhal, F Portaluppi, et al.Japanese Heart Journal|July 1, 1981
The pulmonary component of the second heart sound in acquired aortic stenosisF Portaluppi, L S Vadlamudi, V L Atluri, et al.Japanese Heart Journal|March 1, 1987
The first heart sound in normal and pathological conditionsA A LuisadaPageof 12