Enhanced terminal room disinfection and acquisition and infection caused by multidrug-resistant organisms and Clostridium difficile (the Benefits of Enhanced Terminal Room Disinfection study): a cluster-randomised, multicentre, crossover study
Double-blind, controlled, crossover study of cyclosporin in adults with severe refractory atopic dermatitis
Randomised double-blind active-placebo-controlled crossover trial of intravenous fentanyl in neuropathic pain
Long term azithromycin in children with cystic fibrosis: a randomised, placebo-controlled crossover trial
