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Proc Natl Acad Sci U S A. 2009 Jun 23;106(25):10071-2. doi: 10.1073/pnas.0904735106. Epub 2009 Jun 16.

Tools for thought or thoughts for tools?

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1
Department of Zoology, University of Oxford, Oxford, United Kingdom. alex.kacelnik@zoo.ox.ac.uk
PMID:
19541623
PMCID:
PMC2700916
DOI:
10.1073/pnas.0904735106
[Indexed for MEDLINE]
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