title: [Usefulness of apex cardiography in diagnosis of mitral valve disorders].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D006801:Humans; D007702:Kinetocardiography; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000175:diagnosis*; D008946:Mitral Valve Stenosis / Q000175:diagnosis*
vernacular_title: Przydatność apeksokardiografii w rozpoznawaniu wad zastawki dwudzielnej.