Population versus hospital controls for case-control studies on cancers in Chinese hospitals

BACKGROUND: Correct control selection is crucial to the internal validity of case-control studies. Little information exists on differences between population and hospital controls in case-control studies on cancers in Chinese hospital setting. METHODS: We conducted three parallel case-control studi...

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Detalles Bibliográficos
Autores principales: Li, Lin, Zhang, Min, Holman, D'Arcy
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2011
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3261130/
https://www.ncbi.nlm.nih.gov/pubmed/22171783
http://dx.doi.org/10.1186/1471-2288-11-167

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3261130/
https://www.ncbi.nlm.nih.gov/pubmed/22171783
http://dx.doi.org/10.1186/1471-2288-11-167

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