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Sample Size Calculation in Clinical Trials: Part 13 of a Series on Evaluation of Scientific Publications
BACKGROUND: In this article, we discuss the purpose of sample size calculation in clinical trials, the need for it, and the methods by which it is accomplished. Study samples that are either too small or too large are unacceptable, for clinical, methodological, and ethical reasons. The physicians pa...
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| Main Authors: | , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Deutscher Arzte Verlag
2010
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2933537/ https://ncbi.nlm.nih.gov/pubmed/20827353 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.3238/arztebl.2010.0552 |
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