TY  - BOOK
AU  - Ellenberg Susan S
AU  - DeMets David L
AU  - Fleming Thomas R
TI  - Data monitoring committees in clinical trials: a practical perspective
SN  - 0-471-48986-7
U1  - 000SB:610 
PY  - 2002///
CY  - New York
PB  - John Wiley
KW  - Applied statistics
KW  - Clinical trials
KW  - Medicine
ER  -