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Male Yawning Is More Contagious than Female Yawning among Chimpanzees (Pan troglodytes)
Massen, Jorg J. M., Vermunt, Dorith A., Sterck, Elisabeth H. M., Deschner, TobiasVolume:
7
Language:
english
Journal:
PLoS ONE
DOI:
10.1371/journal.pone.0040697
Date:
July, 2012
File:
PDF, 120 KB
english, 2012