title: Lack of analgesic activity of substance P following intraperitoneal administration.
mesh_terms: D000700:Analgesics / Q000008:administration & dosage*; D000818:Animals; D004305:Dose-Response Relationship, Drug; D007274:Injections, Intraperitoneal; D008297:Male; D051379:Mice; D009020:Morphine / Q000008:administration & dosage; D051381:Rats; D013373:Substance P / Q000008:administration & dosage*
chemical_list: D000700:Analgesics; D013373:Substance P; D009020:Morphine