We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEthical issues in the design and conduct of cluster randomised controlled trials.AuthorsJ, Edwards S; A, Braunholtz D; J, Lilford R; J, Stevens APublicationBMJ (British Medical Journal), 1999, Vol 318, Issue 7195, p1407ISSN0959-8138Publication typearticle