![Use of methods for specifying the target difference in randomised controlled trial sample size calculations: Two surveys of trialists' practice]()
Use of methods for specifying the target difference in randomised controlled trial sample size calculations: Two surveys of trialists' practiceCook, J. A.; Hislop, J. M.; Altman, D. G.; Briggs, A. H.; Fayers, P. M.; Norrie, J. D.; Ramsay, C. R.; Harvey, I. M.; Vale, L. D.; Cook, J. A.; Hislop, J. M.; Altman, D. G.; Briggs, A. H.; Fayers, P. M.; Norrie, J. D.; Ramsay, C. R.; Harvey, I. M.; Ford, I.; Buckley, B.; Harrild, K.; Adewuyi, T. E.; Fraser, C.; Fergusson, D.; Vale, L. D. · Clinical Trials · 2014