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Biometrics|December 1, 1986
Sample size for case-control studies using Cochran's statisticR F Woolson, J A Bean, P B Rojas
Biometrics|September 1, 1984
Two-stage clinical trial stopping rulesJ D Elashoff, T J Reedy
Biometrics|September 1, 1984
Exact confidence intervals following a group sequential testA A Tsiatis, G L Rosner, C R Mehta
Biometrics|September 1, 1984
Exact significance testing to establish treatment equivalence with ordered categorical dataC R Mehta, N R Patel, A A Tsiatis
Biometrics|June 1, 1981
Analysing data from hormone-receptor assaysN A Cressie, D D Keightley
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