title: [Two-dimensional echocardiography in the diagnosis and evaluation of the degree of mitral valve stenosis].
mesh_terms: D000328:Adult; D004452:Echocardiography / Q000379:methods; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000473:pathology; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D012214:Rheumatic Heart Disease / Q000175:diagnosis*; D014463:Ultrasonography
vernacular_title: Dvukhmernaia ekhokardiografiia v diagnostike i otsenke stepeni vyrazhennosti mitral'nogo stenoza.