title: Pollution control in the operating room: a simple device for the removal of expired anaesthesia vapours.
mesh_terms: D000397:Air Pollution / Q000517:prevention & control*; D006221:Halothane / Q000009:adverse effects; D006801:Humans; D008733:Methoxyflurane / Q000009:adverse effects; D009873:Operating Rooms
chemical_list: D008733:Methoxyflurane; D006221:Halothane