title: The bunged bung--one-way valve malfunction during elective surgery--reply.
authors.forename: E
authors.initials: E
authors.lastname: Stamatelos
mesh_terms: D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D017558:Elective Surgical Procedures; D004868:Equipment Failure; D006801:Humans; D011786:Quality Control