title: Blocked scavenging unit: a case report.
authors.forename: M T
authors.initials: MT
authors.lastname: Stevens
mesh_terms: D000764:Anesthesia, Closed-Circuit / Q000295:instrumentation*; D004868:Equipment Failure; D015920:Gas Scavengers; D006801:Humans; D017751:Safety Management / Q000379:methods