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. 2020 Aug 26;10(8):e038283. doi: 10.1136/bmjopen-2020-038283

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© Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Completeness of randomised controlled trial protocols by checklist items, before and after the SPIRIT statement. SPIRIT, Standard Protocol Items: Recommendations for Interventional Trials.