title: The relation of urban atmospheric variables to asthmatic bronchoconstriction.
mesh_terms: D000397:Air Pollution / Q000032:analysis*; D001249:Asthma / Q000503:physiopathology*; D001272:Atmosphere; D001274:Atmospheric Pressure; D001980:Bronchi / Q000503:physiopathology*; D005541:Forced Expiratory Volume; D006801:Humans; D008168:Lung / Q000503:physiopathology; D008448:Maximal Expiratory Flow Rate; D008450:Maximal Midexpiratory Flow Rate