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Relationship between smiling and laughter in humans (Homo sapiens): testing the power asymmetry hypothesis

Marc Mehu1, Robin I M Dunbar

  • 1British Academy Centenary Research Project, School of Biological Sciences, University of Liverpool, Liverpool, UK. marc.mehu@pse.unige.ch

Folia Primatologica; International Journal of Primatology
|April 22, 2008
PubMed

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