%0 Journal Article
%T Group sequential tests with censored survival data adjusting for covariates
%A TSIATIS, ANASTASIOS, A.
%A ROSNER, GARY, L.
%A TRITCHLER, DAVID, L.
%J Biometrika
%V 72
%N 2
%P 365-373
%@ 0006-3444
%D 1985-08-01
%I Oxford University Press
%~ DeepDyve