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Sample Size Calculators for Designing Clinical Research. If you are a clinical researcher trying to determine how many subjects to include in your study or you have another question related to sample size or power calculations, we developed this website for you. Our approach is based on Chapters 5 and 6 in the 4th edition of Designing Clinical Research.
QuesGen Systems, Inc.
Michael Jarrett
2712 Summit Drive
Burlingame, California, 94010
United States
42 rue De Bourgogne - 75007 PARIS. 01 43 41 46 70. 46 rue De Grenelle - 75007 PARIS. 01 71 75 99 58.
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