title: Age and interindividual differences in conditioned reflex activity and serotonin content in various brain regions of rats [proceedings].
mesh_terms: D000367:Age Factors; D000818:Animals; D001921:Brain / Q000378:metabolism*; D003214:Conditioning, Classical / Q000502:physiology*; D051381:Rats; D012153:Retention, Psychology / Q000502:physiology; D012701:Serotonin / Q000378:metabolism*
chemical_list: D012701:Serotonin