Menzel, T Detection of strands in native aortic valves by transesophageal echocardiography. [electronic resource] - The American journal of cardiology Jun 1997 - 1549-52 p. digital Publication Type: Journal Article ISSN: 0002-9149 Standard No.: 10.1016/s0002-9149(97)00193-8 doi Subjects--Topical Terms: AdultAgedAortic Valve--diagnostic imagingDiagnosis, DifferentialEchocardiography, TransesophagealFemaleHeart Valve Diseases--diagnostic imagingHumansMaleMiddle AgedProspective Studies