title: Analgesic activity of intraspinally administered dynorphin and ethylketocyclazocine.
mesh_terms: D000700:Analgesics; D000818:Animals; D003496:Cyclazocine / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000494:pharmacology; D004399:Dynorphins; D004723:Endorphins / Q000008:administration & dosage / Q000494:pharmacology*; D016314:Ethylketocyclazocine; D007267:Injections; D008297:Male; D051379:Mice; D013116:Spinal Cord / Q000187:drug effects*
chemical_list: D000700:Analgesics; D004723:Endorphins; D016314:Ethylketocyclazocine; D004399:Dynorphins; D003496:Cyclazocine