Evidence
Review and download supporting evidence. Includes the full guideline if available.
Evidence updates
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Evidence update
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Evidence update PDF 506.81 KB
Supporting evidence
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Full guidance
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Full guideline (corrected June 2008) PDF 6.99 MB
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Correction slip for the full guideline PDF 129.66 KB
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Search strategies PDF 564.51 KB
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Excluded studies PDF 453.64 KB
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Evidence tables PDF 1.95 MB
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Evidence tables from the 2003 version PDF 875.24 KB
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Review decision
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Review decision - 2011 PDF 100.58 KB
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Review decision - 2014 PDF 1.38 MB
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Surveillance report