Conetta, D A In vitro analysis of boundary identification techniques used in quantification of two-dimensional echocardiograms. [electronic resource] - The American journal of cardiology May 1984 - 1374-9 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0002-9149 Standard No.: 10.1016/0002-9149(84)90097-3 doi Subjects--Topical Terms: AnimalsCattleDogsEchocardiography--methodsGoatsHeart--anatomy & histologyRegression AnalysisSwine