title: Effect of intracerebroventricular bradykinin, angiotensin II, and substance P on multiple fixed-interval fixed-ratio responding in rabbits.
mesh_terms: D000804:Angiotensin II / Q000008:administration & dosage / Q000494:pharmacology*; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D001920:Bradykinin / Q000008:administration & dosage / Q000494:pharmacology*; D003216:Conditioning, Operant / Q000187:drug effects*; D007276:Injections, Intraventricular; D008297:Male; D009020:Morphine / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D011817:Rabbits; D012055:Reinforcement Schedule; D013373:Substance P / Q000008:administration & dosage / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D000804:Angiotensin II; D013373:Substance P; D009270:Naloxone; D009020:Morphine; D001285:Atropine; D001920:Bradykinin