Gibson, D G The study of left ventricular function by M-mode echocardiography. [electronic resource] - Acta medica Scandinavica. Supplementum 1979 - 87-92 p. digital Publication Type: Journal Article ISSN: 0365-463X Standard No.: 10.1111/j.0954-6820.1979.tb01091.x doi Subjects--Topical Terms: EchocardiographyEvaluation Studies as TopicHeart Diseases--diagnosisHeart VentriclesHumansMyocardial Contraction