title: Pollution in operating theatres. Part 1: The problem.
mesh_terms: D000397:Air Pollution / Q000032:analysis / Q000517:prevention & control; D000776:Anesthesiology; D000777:Anesthetics / Q000009:adverse effects; D002648:Child; D005260:Female; D006221:Halothane / Q000032:analysis; D006801:Humans; D009609:Nitrous Oxide / Q000032:analysis; D009784:Occupational Diseases / Q000453:epidemiology; D009873:Operating Rooms
chemical_list: D000777:Anesthetics; D009609:Nitrous Oxide; D006221:Halothane