TY  - BOOK
AU  - Friedman Lawrence M
AU  - DeMets David L
AU  - Furberg Curt D
TI  - Fundamentals of clinical trials
SN  - 0-387-98586-7
U1  - 615.5072 
PY  - 1998///
CY  - New york
PB  - Springer-Verlag
KW  - Clinical trials
ER  -