Research Methods & Reporting
The PRISMA 2020 statement: an updated guideline for reporting systematic reviews
BMJ 2021; 372 doi: https://doi.org/10.1136/bmj.n71 (Published 29 March 2021) Cite this as: BMJ 2021;372:n71Linked RMR
PRISMA 2020 explanation and elaboration: updated guidance and exemplars for reporting systematic reviews

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