title: Letter: Pollution of the atmosphere of operating theatres.
mesh_terms: D000393:Air Pollutants; D000395:Air Pollutants, Occupational; D000777:Anesthetics; D006801:Humans; D009873:Operating Rooms; D012449:Safety
chemical_list: D000393:Air Pollutants; D000395:Air Pollutants, Occupational; D000777:Anesthetics