The impact that group sequential tests would have made on ECOG clinical trials. Gary Rosner and Anastasios A. Tsiatis, Statistics in Medicine, 8, 505–516 (1989)

1990 ◽  
Vol 9 (7) ◽  
pp. 853-854
Author(s):  
Karen M. Facey ◽  
John Whitehead
Keyword(s):  
Clinical Trials ◽  
Group Sequential ◽  
Sequential Tests ◽  
The Impact ◽  
Group Sequential Tests

An improved method for deriving optimal one-sided group sequential tests

Biometrika ◽  
1992 ◽  
Vol 79 (1) ◽  
pp. 13-24 ◽  
Author(s):  
JOHN D. EALES ◽  
CHRISTOPHER JENNISON
Keyword(s):  
Improved Method ◽  
Group Sequential ◽  
Sequential Tests ◽  
Group Sequential Tests
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