title: [Rheumatic heart defects in persons over 50 years of age].
mesh_terms: D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000453:epidemiology; D008946:Mitral Valve Stenosis / Q000453:epidemiology; D012214:Rheumatic Heart Disease / Q000453:epidemiology*; D012737:Sex Factors
vernacular_title: Revmaticheskie poroki serdtsa u lits starshe 50 let