title: [Air quality in the cities -- better air increases longevity].
mesh_terms: D000388:Air / Q000032:analysis*; D002947:Cities / Q000706:statistics & numerical data*; D004784:Environmental Monitoring; D008136:Longevity; D052638:Particulate Matter / Q000032:analysis*; D014481:United States
chemical_list: D052638:Particulate Matter