title: [Work of the electrocardiographic office of an urban polyclinic].
mesh_terms: D000554:Ambulatory Care Facilities / Q000639:trends*; D004569:Electroencephalography / Q000639:trends*; D005260:Female; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009031:Moscow; D014505:Urban Population
vernacular_title: Rabota élektrokardiograficheskogo kabineta gorodskoĭ polikliniki.