Browsing Norwegian Institute of Public Health Open Repository by Author "Bryant, Dianne"
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Systematic review to determine whether participation in a trial influences outcome.
Vist, Gunn Elisabeth; Hagen, Kåre Birger; Devereaux, P J; Bryant, Dianne; Kristoffersen, Doris Tove; Oxman, Andrew David (Journal article, 2005-05-21)OBJECTIVE: To systematically compare the outcomes of participants in randomised controlled trials (RCTs) with those in comparable non-participants who received the same or similar treatment. DATA SOURCES: Bibliographic ...