title: [Quantitative evaluation of the degree of stenosis of the left atrioventricular ostium in patients with rheumatic mitral lesions according to the results of 2-dimensional Doppler echocardiography].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D004452:Echocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D012214:Rheumatic Heart Disease / Q000175:diagnosis*
vernacular_title: Kolichestvennaia otsenka stepeni stenoza levogo atrioventrikuliarnogo otverstiia u bol'nykh revmaticheskimi mitral'nymi porokami po dannym dvukhmernoĭ dopplerékhokardiografii.