title: Anaesthetic practice. Pollution in operating theatres.
mesh_terms: D000397:Air Pollution / Q000517:prevention & control*; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D004787:Environmental Pollution / Q000517:prevention & control*; D006221:Halothane; D006801:Humans; D009873:Operating Rooms; D014691:Ventilation
chemical_list: D006221:Halothane