No abstract available
Publication types
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Comment
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, Non-P.H.S.
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Research Support, U.S. Gov't, P.H.S.
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Review
MeSH terms
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Animals
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Birds
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Calibration
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Evolution, Molecular*
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Fossils*
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Mammals
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Phylogeny
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Time Factors