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The importance of full participation: lessons from a national case–control study
Differential participation between cases and controls can lead to biased estimates of risk. However, the effects of participation are often ignored. We report a detailed analysis of locations of residence for participants and non-participants in a large, national case–control study of childhood canc...
Formato: | Texto |
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Lenguaje: | English |
Publicado: |
Nature Publishing Group
2002
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2375226/ https://www.ncbi.nlm.nih.gov/pubmed/11875698 http://dx.doi.org/10.1038/sj.bjc.6600092 |
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