title: [Correlation between monoamine content in the brain and discriminative learning ability (author's transl)].
mesh_terms: D006916:5-Hydroxytryptophan / Q000494:pharmacology; D000818:Animals; D001679:Biogenic Amines / Q000378:metabolism*; D001921:Brain / Q000378:metabolism*; D004193:Discrimination Learning / Q000502:physiology*; D006801:Humans; D008253:Macaca mulatta; D008297:Male; D010661:Phenylketonurias / Q000378:metabolism; D051381:Rats; D012701:Serotonin / Q000378:metabolism
chemical_list: D001679:Biogenic Amines; D012701:Serotonin; D006916:5-Hydroxytryptophan