title: [Problems of active phase of rheumatism in children with heart defects under modern conditions].
mesh_terms: D000293:Adolescent; D001775:Blood Circulation; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000150:complications* / Q000503:physiopathology; D012213:Rheumatic Fever; D012214:Rheumatic Heart Disease / Q000150:complications / Q000503:physiopathology
vernacular_title: K voprosu ob aktivnoĭ faze revmatizma u deteĭ s porokami serdtsa v sovremennykh usloviiakh