Stopping clinical trials early for futility: retrospective analysis of several randomised clinical studies.
Autor: | Jitlal, M1, Khan, I1, Lee, S M2, Hackshaw, A1 |
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Zdroj: | British Journal of Cancer. 9/4/2012, Vol. 107 Issue 6, p910-917. 8p. 6 Charts. |
Databáze: | Academic Search Ultimate |
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