title: Serotonergic and electric shock effects on tonic immobility: evidence for independent systems.
mesh_terms: D000818:Animals; D002645:Chickens; D004032:Diet; D004597:Electroshock; D010134:Fenclonine / Q000494:pharmacology; D009043:Motor Activity / Q000502:physiology*; D012701:Serotonin / Q000502:physiology*; D014364:Tryptophan / Q000502:physiology
chemical_list: D012701:Serotonin; D014364:Tryptophan; D010134:Fenclonine