title: Case report: complete obstruction of an armored endotracheal tube.
mesh_terms: D000368:Aged; D005260:Female; D005782:Gels; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects* / Q000295:instrumentation; D008012:Lidocaine; D008153:Lubrication; D012131:Respiratory Insufficiency / Q000209:etiology
chemical_list: D005782:Gels; D008012:Lidocaine