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Journal of the American Statistical Association Volume 92, 1997 - Issue 440
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Theory and Methods

Group-Sequential Analysis Incorporating Covariate Information

Christopher Jennison School of Mathematical Sciences, University of Bath, Bath, BA2 7AY, U.K.
&
Bruce W. Turnbull School of Operations Research and Industrial Engineering, Cornell University, Ithaca, NY, 14853, USA
Pages 1330-1341 | Received 01 May 1996, Published online: 17 Feb 2012

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Christopher Jennison & Bruce W. Turnbull. (2001) GROUP SEQUENTIAL TESTS WITH OUTCOME-DEPENDENT TREATMENT ASSIGNMENT. Sequential Analysis 20:4, pages 209-234.
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DanielO. Scharfstein, AnastasiosA. Tsiatis & JamesM. Robins. (1997) Semiparametric Efficiency and its Implication on the Design and Analysis of Group-Sequential Studies. Journal of the American Statistical Association 92:440, pages 1342-1350.
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