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Two-stage randomized trials: outstanding issues

Authors


Vance W. Berger, Biometry Research Group, National Cancer Institute, and UMBC, Executive Plaza North, Suite 3131, 6130 Executive Boulevard, MSC 7354, Bethesda, MD 20892-7354, U.S.A.

E-mail: vb78c@nih.gov

No abstract is available for this article.

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