Cargando…
The influence of ambient coarse particulate matter on asthma hospitalization in children: case-crossover and time-series analyses.
In this study, we used both case-crossover and time-series analyses to assess the associations between size-fractionated particulate matter and asthma hospitalization among children 6-12 years old living in Toronto between 1981 and 1993. Specifically, we used exposures averaged over periods varying...
| Autores principales: | , , , , |
|---|---|
| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
2002
|
| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1240873/ https://www.ncbi.nlm.nih.gov/pubmed/12055048 |