title: [Quantitative evaluation of diagnostic value of the Q-I sound interval in mitral heart defects].
mesh_terms: D006328:Cardiac Catheterization; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology; D006801:Humans; D008946:Mitral Valve Stenosis / Q000175:diagnosis* / Q000503:physiopathology; D010701:Phonocardiography
vernacular_title: Kolichestvennaia otsenka diagnosticheskogo znacheniia intervala Q-I ton pri mitral'nykh porokakh serdtsa