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The ecologic method in the study of environmental health. II. Methodologic issues and feasibility.
This paper reviews some methodological aspects of ecologic studies of human health, with emphasis on investigations of environmental quality. A recent census of Canadian and U.S. data sets potentially suitable for this type of study is summarized. It is concluded that despite the considerable utilit...
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| Formato: | Texto |
| Lenguaje: | English |
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1991
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1567954/ https://www.ncbi.nlm.nih.gov/pubmed/1954943 |