Air pollution and bronchitic symptoms in Southern California children with asthma.
The association of air pollution with the prevalence of chronic lower respiratory tract symptoms among children with a history of asthma or related symptoms was examined in a cross-sectional study. Parents of a total of 3,676 fourth, seventh, and tenth graders from classrooms in 12 communities in So...
| Main Authors: | , , , , , , , , , , |
|---|---|
| Format: | Online |
| Language: | English |
| Published: |
1999
|
| Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1566453/ |