Cziner, D G Transesophageal versus transthoracic echocardiography for diagnosing mitral valve perforation. [electronic resource] - The American journal of cardiology Jun 1992 - 1495-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0002-9149 Standard No.: 10.1016/0002-9149(92)90911-h doi Subjects--Topical Terms: AdultEchocardiography--methodsEndocarditis, Bacterial--diagnostic imagingFemaleHeart Valve Diseases--diagnostic imagingHumansMaleMiddle AgedMitral Valve--pathology