Improvement in the Diagnosis of Abscesses Associated with Endocarditis by Transesophageal EchocardiographyWerner G. Daniel, P. R. Lichtlen, Oliver Lindert et al.|New England Journal of Medicine|1991Cited by 724
Comparison of transthoracic and transesophageal echocardiography for detection of abnormalities of prosthetic and bioprosthetic valves in the mitral and aortic positionsWerner G. Daniel, Randolph P. Martin, P. R. Lichtlen et al.|The American Journal of Cardiology|1993Cited by 308