The New England Journal of Medicine Downloaded from nejm.org on November 11, 2015. For personal use only. No other uses without permission. Copyright © 1990 Massachusetts Medical Society. All rights reserved.

The New England Journal of Medicine Downloaded from nejm.org on November 11, 2015. For personal use only. No other uses without permission. Copyright © 1990 Massachusetts Medical Society. All rights reserved.

Financial incentives and performance of health maintenance organizations.

The New England Journal of Medicine Downloaded from nejm.org on November 11, 2015. For personal use only. No other uses without permission. Copyright...
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