title: [Structure of acquired heart diseases in patients of different age groups].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001022:Aortic Valve Insufficiency / Q000209:etiology; D002648:Child; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000209:etiology; D012214:Rheumatic Heart Disease / Q000150:complications*
vernacular_title: Struktura priobretennykh porokov serdtsa v razlichynkh vozvrastnykh gruppakh bol'nykh.