• Description of the change: Minor change to PDF format.
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  • Description of the change: New link to Plain language summary guidance and template.
    Plain language summary length updated.
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  • Description of the change: Update to the section 'Virus names' to update the URL for International Committee on Taxonomy of Viruses.
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  • Description of the change: New reference added for RevMan Web. Reference for RevMan 5 updated.
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  • Description of the change: Further updates to clarify guidance on risk of bias
    Some items on this page moved to the section on Names.
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  • Description of the change: Expanded section on use of bold text.
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  • Description of the change: Updated guidance on how to cite version 6 of the Cochrane Handbook (whole Handbook, Chapters with authors, Chapters with editors) to version 6.2 (February 2021).
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  • Description of the change: Clarified the use of the date of publication field for studies listed in a trials register
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  • Description of the change: Updated details how to submit feedback.
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  • Description of the change: Update on how to submit feedback
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