title: Altered learning by recipients of brain extracts from trained and retrained donors.
mesh_terms: D000818:Animals; D001921:Brain; D007278:Injections, Spinal; D007858:Learning; D051379:Mice; D008810:Mice, Inbred C57BL; D013997:Time Factors; D014020:Tissue Extracts / Q000008:administration & dosage / Q000494:pharmacology*
chemical_list: D014020:Tissue Extracts