Lubrication of tracheal tubes to prevent sore throat from intubation.
D006685:Hoarseness / Q000517:prevention & control; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects / Q000295:instrumentation*; D008012:Lidocaine; D008153:Lubrication; D009824:Ointments; D010612:Pharyngitis / Q000517:prevention & control*; D012965:Sodium Chloride
D009824:Ointments; D012965:Sodium Chloride; D008012:Lidocaine