TY  - GEN
AU  - Senn,Stephen
TI  - Cross-over trials in Statistics in Medicine: the first '25' years
SN  - 0277-6715
PY  - 2007///0125
KW  - Cross-Over Studies
KW  - Journalism, Medical
KW  - United States
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1002/sim.2706
ER  -