Sources:
,
Gary B. Baskin, DVM, Tulane Regional Primate Research Center

and ,
Trenton R. Schoeb

,
Division of Veterinary Medicine Walter Reed Army Institute

,
David M. Renquist, D.V.M., M.A., and Robert A. Whitney, Jr., D.V.M., M.S.

Wikipedia, The Online Encyclopedia

Prime Info New Library and Information Service National Primate Research Center, University of Wisconsin, Madison

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