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Biometrics|March 1, 1981
Sequential clinical trials for normal variates using interval composite hypothesesJ M LachinBiometrics|December 1, 1992
Group sequential distribution-free methods for the analysis of multivariate observationsJ Q Su, J M LachinBiometrics|September 1, 1990
Implementation of group sequential logrank tests in a maximum duration trialK K Lan, J M LachinBiometrics|September 1, 1986
Evaluation of sample size and power for analyses of survival with allowance for nonuniform patient entry, losses to follow-up, noncompliance, and stratificationJ M Lachin, M A FoulkesBiometrics|June 1, 1988
Estimators and tests in the analysis of multiple nonindependent 2 x 2 tables with partially missing observationsJ M Lachin, L J WeiBiometrics|September 1, 1995
Sequential monitoring of survival data with the Wilcoxon statisticK K Lan, W F Rosenberger, J M LachinPageof 1