title: Noise reduction in an anaesthetic gas scavenging system.
mesh_terms: D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D004787:Environmental Pollution / Q000517:prevention & control*; D004867:Equipment Design; D009622:Noise / Q000517:prevention & control*; D009623:Noise, Occupational / Q000517:prevention & control*