title: [Echocardiographic studies on patients with surgically treated mitral valve stenosis].
mesh_terms: D000359:Aftercare; D004452:Echocardiography; D005500:Follow-Up Studies; D006801:Humans; D008943:Mitral Valve / Q000503:physiopathology; D008946:Mitral Valve Stenosis / Q000175:diagnosis* / Q000601:surgery; D011379:Prognosis; D014463:Ultrasonography
vernacular_title: Ultraschallkardiographische Nachbeobachtungen bei operierten Patienten mit Mitralklappenstenose.