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机译:Differential changes in steroid hormones before competition in bonobos and chimpanzees
Department of Human Evolutionary Biology, Harvard University, Peabody Museum, Cambridge, MA 02138, United States;
Department of Evolutionary Anthropology, Center for Cognitive Neuroscience, Duke University, Durham, NC 27705, United States;
Tchimpounga Chimpanzee Sanctuary, BP 1896, Pointe Noire, Congo;