Influence of relatively low level of particulate ar pollution on hospitalization for COPD in elderly people.

@article{Chen2004InfluenceOR,
  title={Influence of relatively low level of particulate ar pollution on hospitalization for COPD in elderly people.},
  author={Yue Chen and Qiuying Yang and Daniel Krewski and Yuanli Shi and Richard T. Burnett and Kimberly M McGrail},
  journal={Inhalation toxicology},
  year={2004},
  volume={16 1},
  pages={21-5}
}
To assess the association between relatively low levels of size-fractioned particulate matter (PM) and hospitalization for chronic obstructive pulmonary disease (COPD), we conducted a time-series analysis among elderly people 65 yr of age or more living in Vancouver between June 1995 and March 1999. Measures of thoracic PM (PM(10)), fine PM (PM(2.5)), coarse PM (PM(10-2.5)), and coefficient of haze (COH) were examined over periods varying from 1 to 7 days prior to hospital admissions… CONTINUE READING
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