title: Improper oxygenation during bronchofiberscopy.
mesh_terms: D000368:Aged; D000772:Anesthesia, Local; D020680:Bronchoscopes; D001999:Bronchoscopy / Q000009:adverse effects; D005336:Fiber Optic Technology; D006801:Humans; D008297:Male; D008397:Masks; D008722:Methods; D009305:Nasopharynx; D010100:Oxygen / Q000008:administration & dosage* / Q000009:adverse effects; D011030:Pneumothorax / Q000209:etiology
chemical_list: D010100:Oxygen