Sedgwick, Philip <br/><br/>
What is a crossover trial?  [electronic resource] 

 -  BMJ (Clinical research ed.)  May 2014 
 - g3191 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1756-1833 
<br/><br/><label>Standard No.: </label>10.1136/bmj.g3191  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cannabinoid Receptor Agonists--therapeutic use<br/>Cross-Over Studies<br/>Dronabinol--therapeutic use<br/>Humans<br/>Multiple Sclerosis--drug therapy<br/>Neuralgia--drug therapy<br/>Randomized Controlled Trials as Topic<br/>Research Design