Tracheal smooth muscle relaxant effect of ketamine.
D000403:Airway Resistance / Q000187:drug effects; D000771:Anesthesia, Intravenous; D000818:Animals; D002217:Carbachol / Q000494:pharmacology; D004305:Dose-Response Relationship, Drug; D004837:Epinephrine / Q000494:pharmacology; D006168:Guinea Pigs; D007649:Ketamine / Q000494:pharmacology*; D008297:Male; D009130:Muscle, Smooth / Q000187:drug effects*; D014132:Trachea / Q000187:drug effects*
D007649:Ketamine; D002217:Carbachol; D004837:Epinephrine