The New England Journal of Medicine Downloaded from nejm.org on November 15, 2015. For personal use only. No other uses without permission. Copyright © 1992 Massachusetts Medical Society. All rights reserved.

Snake-venom and insect-venom extractors: an unproved therapy.

The New England Journal of Medicine Downloaded from nejm.org on November 15, 2015. For personal use only. No other uses without permission. Copyright...
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