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In this file photo taken Nov. 30, 2010, nurses at University of Chicago Medical Center in Chicago work in the emergency room at the hospital.

In this file photo taken Nov. 30, 2010, nurses at University of Chicago Medical Center in Chicago work in the emergency room at the hospital. Emergency rooms are designed to live up to their names by treating life-threatening or serious medical problems. But they often handle much more than that, sometimes at great cost to patients. (AP Photo/M. Spencer Green, File)

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