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Selection bias: Selection of controls as a critical issue in the interpretation of results in a case control study
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Medknow Publications & Media Pvt Ltd
2015
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4774075/ https://www.ncbi.nlm.nih.gov/pubmed/26831427 http://dx.doi.org/10.4103/0971-5916.174574 |