title: [NOx in the air of foundries].
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D000395:Air Pollutants, Occupational / Q000032:analysis*; D003124:Colorimetry; D003604:Czechoslovakia; D006801:Humans; D007221:Industry; D007501:Iron; D009589:Nitrogen Oxides / Q000032:analysis*
chemical_list: D000393:Air Pollutants; D000395:Air Pollutants, Occupational; D009589:Nitrogen Oxides; D007501:Iron
vernacular_title: NOx in der Luft eines Hüttenunternehmens.