The New England Journal of Medicine Downloaded from nejm.org on October 30, 2015. For personal use only. No other uses without permission. Copyright © 1990 Massachusetts Medical Society. All rights reserved.

1988 U.S. cesarean-section rate: good news or bad?

The New England Journal of Medicine Downloaded from nejm.org on October 30, 2015. For personal use only. No other uses without permission. Copyright ©...
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