title: What is a crossover trial?
authors.affiliation: Centre for Medical and Healthcare Education, St George's, University of London, London, UK p.sedgwick@sgul.ac.uk.
authors.forename: Philip
authors.initials: P
authors.lastname: Sedgwick
mesh_terms: D063386:Cannabinoid Receptor Agonists / Q000627:therapeutic use*; D018592:Cross-Over Studies; D013759:Dronabinol / Q000627:therapeutic use*; D006801:Humans; D009103:Multiple Sclerosis / Q000188:drug therapy*; D009437:Neuralgia / Q000188:drug therapy*; D016032:Randomized Controlled Trials as Topic; D012107:Research Design
chemical_list: D063386:Cannabinoid Receptor Agonists; D013759:Dronabinol