Left atrial spontaneous echo contrast in mitral valve disease: An indicator for an increased thromboembolic riskW.G. Daniel, P. R. Lichtlen, U Nellessen et al.|Journal of the American College of Cardiology|1988Cited by 504
Chronic aortic regurgitation: reassessment of the prognostic value of preoperative left ventricular end-systolic dimension and fractional shortening.W.G. Daniel, P. R. Lichtlen, A Siart et al.|Circulation|1985Cited by 98