TY  - GEN
AU  - Shein-Chung Chow
AU  - Jen-Pei Liu
TI  - Design and analysis of clinical trials:  concepts and methodologies
U1  -  W20.55.C5 
PY  - 2014///
CY  - Hoboken
PB  - John Wiley and Sons, Inc, 
KW  - Clinical Trials-Methodology
KW  - Clinical Trials-Statistical Methods
ER  -