Feraco, E [Value of the echocardiogram in assessment of the degree of compensation of valvular defects]. [electronic resource] - Bollettino della Societa italiana di cardiologia 1977 - 1219-25 p. digital Publication Type: Journal Article ISSN: 0037-878X Subjects--Topical Terms: AdultAgedAngiocardiographyEchocardiographyFemaleHeart Valve Diseases--diagnosisHumansMaleMiddle AgedMyocardial Contraction