TY  - BOOK
AU  - Jennison,, Christopher
TI  - Group sequential methods with applications to clinical trials / 
SN  - 0-8493-0316-8
U1  - 615.190 727 
PY  - 2000///
CY  - London
PB  - Chapman & Hall
KW  - Clinical trial-Statistical methods
KW  - Models-Statistics
KW  - Statistics
N1  - Includes index
ER  -