title: Profound anesthesia.
mesh_terms: D000818:Animals; D001143:Arousal / Q000187:drug effects*; D004305:Dose-Response Relationship, Drug; D006221:Halothane / Q000494:pharmacology*; D009609:Nitrous Oxide / Q000494:pharmacology*; D009619:Nociceptors / Q000187:drug effects*; D051381:Rats
chemical_list: D009609:Nitrous Oxide; D006221:Halothane