title: [Effect of exacerbations of the rheumatic process on the cost level of surgical treatment of patients with rheumatic-etiology acquired heart defects].
mesh_terms: D003365:Costs and Cost Analysis; D006801:Humans; D007902:Length of Stay; D008946:Mitral Valve Stenosis / Q000191:economics* / Q000601:surgery; D011300:Preoperative Care / Q000191:economics; D012214:Rheumatic Heart Disease / Q000191:economics* / Q000601:surgery
vernacular_title: Vliianie obostreniĭ revmaticheskogo protsessa na uroven' zatrat na operativnoe lechenie bol'nykh s priobretennymi porokami serdtsa revmaticheskoĭ étiologii.