Dextromethorphan for intubation.
D000996:Antitussive Agents / Q000008:administration & dosage*; D003915:Dextromethorphan / Q000008:administration & dosage; D006801:Humans; D007442:Intubation, Intratracheal; D009019:Morphinans / Q000008:administration & dosage*
D000996:Antitussive Agents; D009019:Morphinans; D003915:Dextromethorphan