title: Coaxial breathing system outer tube occlusion: what goes in must come out.
authors.forename: N
authors.initials: N
authors.lastname: Randhawa
authors.forename: R A
authors.initials: RA
authors.lastname: Semenov
authors.forename: A
authors.initials: A
authors.lastname: Patel
mesh_terms: D000368:Aged; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D003937:Diagnosis, Differential; D004868:Equipment Failure; D004947:Esophagus; D005547:Foreign Bodies / Q000175:diagnosis; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects*; D008297:Male