title: [Echocardiography in postoperative examination of patients with mitral valve disease].
mesh_terms: D004452:Echocardiography; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000175:diagnosis*; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D012214:Rheumatic Heart Disease / Q000175:diagnosis*
vernacular_title: Ekhokardiografiia v predoperatsionnoĭ otsenke bol'nykh s mitral'nym porokom serdtsa.