[Studies on indoor air pollution II. The concentration of nitrogen oxides in private houses (author's transl)].
D000393:Air Pollutants / Q000032:analysis*; D004781:Environmental Exposure; D006361:Heating; D006798:Housing; D006801:Humans; D009589:Nitrogen Oxides / Q000032:analysis*; D012621:Seasons
D000393:Air Pollutants; D009589:Nitrogen Oxides