Adjusted odds ratio at PHCC level. Tahir Taj Emilie Stroh Daniel Oudin Åström Kristina Jakobsson Anna Oudin 10.1371/journal.pone.0166614.g005 https://plos.figshare.com/articles/figure/Adjusted_odds_ratio_at_PHCC_level_/4242728 <p>Adjusted odds ratio at PHCC level.</p> 2016-11-18 17:48:30 background air pollution levels asthma 2010. Nitrogen dioxide levels association 2 levels air pollution concentrations health care clinics visit CI air pollution monitoring stations Scania air pollution areas air pollution