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Is a one-size-fits-all ‘12-month rule’ appropriate when it comes to the last search date in systematic reviews?
- Correspondence to Dr Gillian Stokes, Social Research Institute, EPPI Centre, University College London, London, WC1H 0NS, UK; gillian.stokes{at}ucl.ac.uk
Citation
Is a one-size-fits-all ‘12-month rule’ appropriate when it comes to the last search date in systematic reviews?
Publication history
- Accepted November 20, 2022
- First published December 9, 2022.
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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. http://creativecommons.org/licenses/by-nc/4.0/This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.