title: Grooming-contact bars provide social contact for individually caged laboratory macaques.
authors.affiliation: Regional Primate Research Center, University of Washington, Seattle 98195-7330, USA.
authors.forename: C M
authors.initials: CM
authors.lastname: Crockett
authors.forename: R U
authors.initials: RU
authors.lastname: Bellanca
authors.forename: C L
authors.initials: CL
authors.lastname: Bowers
authors.forename: D M
authors.initials: DM
authors.lastname: Bowden