The New England Journal of Medicine Downloaded from nejm.org at University of Arizona on November 18, 2015. For personal use only. No other uses without permission. From the NEJM Archive. Copyright © 2010 Massachusetts Medical Society. All rights reserved.

The New England Journal of Medicine Downloaded from nejm.org at University of Arizona on November 18, 2015. For personal use only. No other uses without permission. From the NEJM Archive. Copyright © 2010 Massachusetts Medical Society. All rights reserved.

Method of physical payment and hospital length of stay.

The New England Journal of Medicine Downloaded from nejm.org at University of Arizona on November 18, 2015. For personal use only. No other uses witho...
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