title: [Duration of trace retention in the nervous system of rats of different ages].
mesh_terms: D000818:Animals; D001921:Brain / Q000254:growth & development*; D003214:Conditioning, Classical; D008297:Male; D051381:Rats; D013997:Time Factors
vernacular_title: Dlitel'nost' sokhraneniia sledov v nervnoĭ sisteme krys raznykh vozrastov.