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Measuring physical activity among pregnant women using a structured one-week recall questionnaire: evidence for validity and reliability
BACKGROUND: Accurate measurement of the components of physical activity during pregnancy can aid in our understanding of the dose response relationships between physical activity and corresponding perinatal outcomes. The aim of this study was to develop and evaluate a one-week recall questionnaire t...
| Autores principales: | , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2010
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2855515/ https://www.ncbi.nlm.nih.gov/pubmed/20302668 http://dx.doi.org/10.1186/1479-5868-7-21 |