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. 1958 Jan;1(1):83–85. doi: 10.1901/jeab.1958.1-83
The Grooming Behavior of the Chimpanzee as a Reinforcer1
John L Falk
John L Falk
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1
This investigation was supported in part by Research Grant M-1005 from the Institute of Mental Health of the National Institutes of Health, U.S. Public Health Service, and in part by the National Science Foundation.
PMCID: PMC1403878 PMID: 13891441