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. 2019 Sep 29;15(3):e1045. doi: 10.1002/cl2.1045
Database/website Date and time Search strategy Number of hits
CAB Abstracts 25 August 2017 See Appendix 1 1,649
Web of Science 29 August 2017 See Appendix 1 2,222
Ebsco Discovery 30 August 2017 See Appendix 1 9,445