TY  - BOOK
AU  - Senn Stephen
TI  - Cross-over trials in clinical research
SN  - 0-471-49653-7
U1  - 000SB:610 
PY  - 2002///
CY  - Chichester
PB  - John Wiley
KW  - Applied statistics
KW  - Clinical trials
KW  - Medicine
ER  -