title: Nitrogen oxides in ambient air--properties, sources and concentrations.
authors.affiliation: Swedish Environmental Protection Agency, Stockholm.
authors.forename: C E
authors.initials: CE
authors.lastname: Boström
mesh_terms: D000393:Air Pollutants / Q000009:adverse effects / Q000032:analysis*; D004781:Environmental Exposure / Q000009:adverse effects; D006801:Humans; D008452:Maximum Allowable Concentration; D009589:Nitrogen Oxides / Q000009:adverse effects / Q000032:analysis*
chemical_list: D000393:Air Pollutants; D009589:Nitrogen Oxides