TY  - GEN
AU  - Sedgwick,Philip
TI  - What is a crossover trial?
SN  - 1756-1833
PY  - 2015///0204
KW  - Cannabinoid Receptor Agonists
KW  - therapeutic use
KW  - Cross-Over Studies
KW  - Dronabinol
KW  - Humans
KW  - Multiple Sclerosis
KW  - drug therapy
KW  - Neuralgia
KW  - Randomized Controlled Trials as Topic
KW  - Research Design
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1136/bmj.g3191
ER  -