title: Analgesic activity of substance P following intracerebral administration in rats.
mesh_terms: D000700:Analgesics; D000818:Animals; D007276:Injections, Intraventricular; D008297:Male; D009020:Morphine / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D051381:Rats; D011930:Reaction Time / Q000187:drug effects; D013373:Substance P / Q000008:administration & dosage / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D000700:Analgesics; D013373:Substance P; D009270:Naloxone; D009020:Morphine