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- [2] Strategies to improve recruitment to randomised trials [J]. COCHRANE DATABASE OF SYSTEMATIC REVIEWS, 2018, (02):
- [4] Strategies to improve recruitment to randomised controlled trials [J]. COCHRANE DATABASE OF SYSTEMATIC REVIEWS, 2010, (04):
- [5] Methods to improve recruitment to randomised controlled trials: Cochrane systematic review and meta-analysis [J]. BMJ OPEN, 2013, 3 (02):
- [6] Strategies to improve retention in randomised trials: a Cochrane systematic review and meta-analysis [J]. BMJ OPEN, 2014, 4 (02):
- [7] Strategies to improve retention in randomised trials [J]. COCHRANE DATABASE OF SYSTEMATIC REVIEWS, 2013, (12):
- [8] Strategies to improve retention in randomised trials [J]. COCHRANE DATABASE OF SYSTEMATIC REVIEWS, 2021, (03):