Grooming up the hierarchy: the exchange of grooming and rank-related benefits in a new world primate.

PLoS One · 2012 · PMC3348124 · PMID 22590582

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highly significantno p-value reported

Such inconsistency has been partly superseded by a recent meta-analysis including 14 different primate species [18] , in which a weak but highly significant correlation between grooming and support was found.

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