Mori, H Identification and quantification of the left-to-right shunt in adults with atrial septal defect by two-dimensional negative contrast echocardiography. [electronic resource] - Japanese heart journal Jan 1984 - 45-54 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0021-4868 Standard No.: 10.1536/ihj.25.45 doi Subjects--Topical Terms: AdolescentAdultBlood CirculationCardiac CatheterizationContrast MediaCoronary CirculationEchocardiography--methodsEisenmenger Complex--complicationsFemaleHeart Septal Defects, Atrial--diagnosisHumansMaleMiddle AgedMyocardial ContractionOximetryPulmonary Circulation