Prolonged endotracheal intubation.
D000328:Adult; D001249:Asthma / Q000628:therapy; D001991:Bronchitis / Q000628:therapy; D006348:Cardiac Surgical Procedures; D002493:Central Nervous System Diseases / Q000628:therapy; D002648:Child; D006685:Hoarseness / Q000150:complications; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects; D009020:Morphine / Q000627:therapeutic use; D009336:Necrosis / Q000209:etiology; D013934:Thymectomy; D013997:Time Factors; D014133:Tracheal Diseases / Q000209:etiology; D014656:Vascular Surgical Procedures
D009020:Morphine