Efficient ways exist to obtain the optimal sample size in clinical trials in rare diseases
| Autor: | van der Lee, J.H., Wesseling, J., Tanck, M.W.T., Offringa, M. |
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| Zdroj: | In Journal of Clinical Epidemiology 2008 61(4):324-330 |
| Databáze: | ScienceDirect |
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