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  1. Estimating sample...
  2. Estimating sample sizes for binary, ordered categorical, and continuous outcomes in two group comparisons
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Estimating sample sizes for binary, ordered categorical, and continuous outcomes in two group comparisons

BMJ 1995; 311 doi: https://doi.org/10.1136/bmj.311.7013.1145 (Published 28 October 1995) Cite this as: BMJ 1995;311:1145

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