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shed every year. However, research by David Moher and colleagues, published in the latest PLoS Medicine, has found a huge variation in published reviews regarding the details that reviewers have given about the methods they used in their work. This raises doubts as to how well some reviews have been conducted. Moher and colleagues conclude that readers should not accept systematic reviews uncritically. In an Editorial in the same issue, the Editors of PLoS Medicine discuss how medical journals should respond to the findings of this study and what needs to be done to ensure that published systematic rev iews are of good quality .

Citation: Moher D, Tetzlaff J, Tricco AC, Sampson M, Altman DG (2007) Epidemiology and reporting characteristics of systematic reviews. PLoS Med 4(3): e78.

PLEASE ADD THE LINK TO THE PUBLISHED ARTICLE IN ONLINE VERSIONS OF YOUR REPORT:
http://medicine.plosjournals.org/perlserv/?request=get-document&doi=10.1371/journal.pmed.0040078

PRESS-ONLY PREVIEW OF THE ARTICLE: http://www.plos.org/press/plme-04-03-moher.pdf

CONTACT:
David Moher
Children's Hospital of Eastern Ontario Research Institute
Chalmers Research Group
401 Smyth Road
Ottawa, Ontario K1H 8L1
Canada
+1 613-738-3591
+1 613-738-4800 (fax)
dmoher@uottawa.ca

Related PLoS Medicine Editorial:

Citation: The PLoS Medicine Editors (2007) Many reviews are systematic but some are more transparent and completely reported than others. PLoS Med 4(3): e147.

PLEASE ADD THE LINK TO THE PUBLISHED ARTICLE IN ONLINE VERSIONS OF YOUR REPORT:
http://medici
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Contact: Andrew Hyde
press@plos.org
44-122-346-3330
Public Library of Science
26-Mar-2007

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