title: CDC says 20% of US citizens visited an emergency department in 2007.
authors.forename: Janice Hopkins
authors.initials: JH
authors.lastname: Tanne
mesh_terms: D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D006801:Humans; D007348:Insurance, Health; D010342:Patient Acceptance of Health Care / Q000706:statistics & numerical data*; D012051:Reimbursement Mechanisms; D014481:United States