title: Flu season crowds nation's emergency departments.
authors: J
authors: J
authors: Greene
authors: K
authors: K
authors: Pallarito
mesh_terms: D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D006801:Humans; D007251:Influenza, Human / Q000191:economics / Q000453:epidemiology*; D008489:Medical Indigency; D014481:United States