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Science  31 Jan 2003:
Vol. 299, Issue 5607, pp. 660-661
DOI: 10.1126/science.299.5607.660c

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vol. 299 no. 5607 660-661

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    Author Information

    1. E. J. Neiburger
    1. Tsavo Research Program, 1000 North Avenue, Waukegan, IL 60085, USA.
    1. Peyton M. West*
    1. Department of Ecology, Evolution and Behavior, University of Minnesota, 1987 Upper Buford Circle, St. Paul, MN 55108, USA.
    1. *To whom correspondence should be addressed. E-mail: west0302{at}umn.edu
    1. Craig Packer
    1. Department of Ecology, Evolution and Behavior, University of Minnesota, 1987 Upper Buford Circle, St. Paul, MN 55108, USA.

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