The New England Journal of Medicine Downloaded from nejm.org on November 11, 2015. For personal use only. No other uses without permission. Copyright © 1992 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 © 1992 Massachusetts Medical Society. All rights reserved.

Risk of cancer in dermatomyositis or polymyositis.

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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