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Residential mobility during pregnancy in the north of England
BACKGROUND: Many epidemiological studies assign exposure to an individual's residence at a single time point, such as birth or death. This approach makes no allowance for migration and may result in exposure error, leading to reduced study power and biased risk estimates. Pregnancy outcomes are...
| Autores principales: | , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2009
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2784435/ https://www.ncbi.nlm.nih.gov/pubmed/19912662 http://dx.doi.org/10.1186/1471-2393-9-52 |