The Cochrane database of systematic reviews (2014) - Comments
pubmed: 24627326  doi: 10.1002/14651858.cd009169.pub2  issn: 1465-1858  issn: 1469-493x 

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Safoora Ebadi, Nicholas Henschke, Noureddin Nakhostin Ansari, Ehsan Fallah, Maurits W Van Tulder