[Electrocardiographic changes in pumonary complications during the 1957 influenza epidemic].
D004562:Electrocardiography; D058872:Epidemics; D006801:Humans; D007251:Influenza, Human / Q000150:complications*; D008171:Lung Diseases / Q000209:etiology*
ELECTROCARDIOGRAPHY; INFLUENZA/complications; LUNG DISEASES/etiology