Early stopping in clinical trials and epidemiologic studies for 'futility': conditional power versus sequential analysis

I. van der Tweel, P.A.H. van Noord

Research output: Contribution to journalArticleAcademicpeer-review

Original languageUndefined/Unknown
Pages (from-to)610-617
Number of pages8
JournalJournal of Clinical Epidemiology
Volume56
Publication statusPublished - 2003

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