TY  - BOOK
AU  - Piantadosi, Steven.
TI  - Clinical Trials : A Methodology Perspective / 
SN  - 0-471-16393-7
U1  - B28 
PY  - 1997///
CY  - New York : 
PB  - John Wiley & Sons, Inc. , 
KW  - Clinical Reasoning
ER  -