title: A nylon ball device for primate environmental enrichment.
authors.affiliation: Department of Environmental Pathology and Toxicology, Chemical Industry Institute of Toxicology, Research Triangle Park, NC 27709.
authors.forename: P W
authors.initials: PW
authors.lastname: Ross
authors.forename: J I
authors.initials: JI
authors.lastname: Everitt
mesh_terms: D000827:Animal Welfare; D000818:Animals; D000830:Animals, Laboratory; D006799:Housing, Animal; D008251:Macaca; D008253:Macaca mulatta; D008297:Male