The New England Journal of Medicine Downloaded from nejm.org at University of Arizona on November 21, 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 at University of Arizona on November 21, 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 at University of Arizona on November 21, 2015. For personal use only. No other uses without permission. Copyright © 1990 Massachusetts Medical Society. All rights reserved.

Atrial fibrillation--risk marker for stroke.

The New England Journal of Medicine Downloaded from nejm.org at University of Arizona on November 21, 2015. For personal use only. No other uses witho...
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