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Filters: Author is de Waal, Frans B. M.  [Clear All Filters]
de Waal FBM, Leimgruber K, Greenberg AR.  2008.  Giving is self-rewarding for monkeys. Proceedings of the National Academy of Sciences. 105(36):13685.
Preston SD, de Waal FBM.  2002.  Empathy: Its ultimate and proximate bases. Behavioral and Brain Sciences. 25(1):1-20.
Brosnan SF, de Waal FBM.  2002.  A proximate perspective on reciprocal altruism. Human Nature. 13(1):129-152.