TY  - BOOK
AU  - Senn,Stephen.
TI  - Cross-Over Trials in Clinical Research
SN  - 0471 49653 7
U1  - 615.507 SEN 
PY  - 2002///
CY  - [s.l]
PB  - John Wiley & sons Ltd.
KW  - Statistics, Some special designs, Various design issues
ER  -