The link will take you to an abstract of the article. NHS staff wishing to obtain a copy of the full text should contact their health care library.
This article has been selected for inclusion in NICE Evidence Search because it meets the definition of a major RCT for this service. This is an RCT which has been published in a journal which conforms to the CONSORT criteria, or one that has been appraised and selected by a group of experts for inclusion in an Evidence Update.
RCTs listed as supporting references in Evidence Updates are also included.