Cargando…
Design and analysis of studies of the health effects of ozone.
The design and analysis of studies that investigate the effect of exposure to ozone on health outcomes need to define carefully the methods for the assessment of the exposure and to determine precisely which is the outcome of biological relevance. The estimation of sample size for longitudinal studi...
Autor principal: | |
---|---|
Formato: | Texto |
Lenguaje: | English |
Publicado: |
1993
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1519699/ https://www.ncbi.nlm.nih.gov/pubmed/8206039 |