title: [Echocardiographic evaluation of the function of the Björk-Shiley valve prosthesis].
mesh_terms: D000328:Adult; D001021:Aortic Valve / Q000601:surgery; D004452:Echocardiography; D006350:Heart Valve Prosthesis; D006801:Humans; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery
vernacular_title: Echokardiografické hodnocení funkce Björk-Shileyho chlopenních náhrad.