title: [Value of Wells' formula in estimation of the degree of mitral valve stenosis].
mesh_terms: D000293:Adolescent; D000328:Adult; D004562:Electrocardiography; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D010701:Phonocardiography / Q000379:methods*
vernacular_title: Znachenie formuly Uellsa v raspoznavanii stepeni mitral'nogo stenoza.