title: Emergency department observation units offer efficiencies that cut costs, improve care.
authors.forename: Anthony
authors.initials: A
authors.lastname: Napoli
mesh_terms: D003363:Cost Control; D004636:Emergency Service, Hospital / Q000191:economics*; D011785:Quality Assurance, Health Care; D014481:United States; D057832:Watchful Waiting / Q000191:economics*