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*{{pmid15693981}}
*<b>[http://www.kidney.de/mlpefetch.php?search=15693981 Pro/con clinical debate: It is acceptable to stop large multicentre randomized controlled trials at interim analysis for futility Pro: Futility stopping can speed up the development of effective treatments ]</b> Crit Care 2005; 9(1) ; 34-6; discussion 34-6 Schoenfeld DA
*15693981*