title: The sexual differentiation of social play.
authors: M J
authors: MJ
authors: Meaney
mesh_terms: D000375:Aging / Q000502:physiology*; D000818:Animals; D005260:Female; D006801:Humans; D008253:Macaca mulatta; D008297:Male; D051381:Rats; D012727:Sex Characteristics; D012919:Social Behavior / Q000502:physiology*