title: Mitral valve studies by ultrasound.
mesh_terms: D004452:Echocardiography; D006801:Humans; D008943:Mitral Valve / Q000473:pathology / Q000503:physiopathology*; D008944:Mitral Valve Insufficiency / Q000175:diagnosis / Q000503:physiopathology*; D008946:Mitral Valve Stenosis / Q000175:diagnosis / Q000473:pathology / Q000503:physiopathology* / Q000601:surgery; D014463:Ultrasonography