title: [Nature and diagnostic significance of ECG changes in influenza].
mesh_terms: D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000175:diagnosis* / Q000209:etiology; D006332:Cardiomegaly / Q000175:diagnosis* / Q000209:etiology; D004562:Electrocardiography; D005260:Female; D006801:Humans; D007251:Influenza, Human / Q000150:complications*; D008297:Male; D008875:Middle Aged
vernacular_title: K oprosu o kharaktere i diagnosticheskom znachenii EKG u bol'nykh grippom.