title: Olfactory conditioning by association with histidine-free or balanced amino acid loads in rats.
mesh_terms: D000596:Amino Acids; D000818:Animals; D001066:Appetite; D001362:Avoidance Learning; D003213:Conditioning, Psychological; D004435:Eating; D006639:Histidine; D008297:Male; D009812:Odorants; D051381:Rats
chemical_list: D000596:Amino Acids; D006639:Histidine