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Why We Must Worry

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Science  31 Aug 2001:
Vol. 293, Issue 5535, pp. 1598
DOI: 10.1126/science.1063864

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vol. 293 no. 5535 1598

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    Author Information

    1. Peter Raven*
    1. The author is at the Missouri Botanical Garden, Post Office Box 299, St. Louis, MO 63166, USA. E-mail: PRaven{at}nas.edu

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