Presentation Event Entity Entity Process Occurrent Occurrent 2025-05-06T10:51:22 RDF description of The incidence and doppler echocardiographic characteristics of normally functioning mitral prostheses with mean gradient � 10 mm Hg [presentation] - http://repository.healthpartners.com/individual/document-rn1073 16339 The incidence and doppler echocardiographic characteristics of normally functioning mitral prostheses with mean gradient � 10 mm Hg [presentation] public Robert Hebbel Seventeenth Annual Research Day, University of Minnesota Cardiovascular Diseases 27258 document-rn1073 presentation Heart 2022-02-21T22:48:57.408-06:00