Prolonged nasotracheal intubation.
D000368:Aged; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects / Q000379:methods*; D008297:Male; D008875:Middle Aged; D009666:Nose; D012131:Respiratory Insufficiency / Q000628:therapy*; D013997:Time Factors; D014132:Trachea / Q000293:injuries