[On the incidence of cardiac involvement in influenza infection].
D004562:Electrocardiography; D006321:Heart / Q000473:pathology*; D006801:Humans; D015994:Incidence; D007251:Influenza, Human / Q000473:pathology*; D009206:Myocardium / Q000473:pathology*
ELECTROCARDIOGRAPHY; HEART/pathology; INFLUENZA/pathology