Endotracheal tube obstruction.
D000402:Airway Obstruction / Q000209:etiology; D000770:Anesthesia, Endotracheal / Q000295:instrumentation; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects / Q000295:instrumentation*; D008297:Male; D008875:Middle Aged