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Citations
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Hauser MD, Kralik J, Bott-Mahan C, Garrett M, & Oser J. (1995). Self-recognition in primates: phylogeny and the salience of species-typical traits. Proc. Natl. Acad. Sci. USA, 92, 10811.
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Kitchen A, Denton D, & Brent L. (1996). Self-recognition and abstraction abilities in the common chimpanzee studied with distorting mirrors. Proc. Natl. Acad. Sci. USA, 93, 7405.
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