title: Friends or food? Social contact versus food as a reward for rats in the operant chamber creator: Krämer, Robert date: 2023 type: Abstract of a medical dissertation type: info:eu-repo/semantics/HD.PhdThesisAb type: NonPeerReviewed format: application/pdf identifier: https://archiv.ub.uni-heidelberg.de/volltextserver/35604/1/diss24_053.pdf identifier: urn:nbn:de:bsz:16-heidok-356043 identifier: Krämer, Robert (2023) Friends or food? Social contact versus food as a reward for rats in the operant chamber. [Abstract of a medical dissertation] relation: https://archiv.ub.uni-heidelberg.de/volltextserver/35604/ rights: info:eu-repo/semantics/openAccess rights: http://archiv.ub.uni-heidelberg.de/volltextserver/help/license_urhg.html language: eng