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The effectiveness of incentives for research participation: A systematic review and meta-analysis of randomized controlled trials
- Basel Abdelazeem,
- Kirellos Said Abbas,
- Mostafa Atef Amin,
- Nahla Ahmed El-Shahat,
- Bilal Malik,
- Atefeh Kalantary,
- Mostafa Eltobgy
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- Published: April 22, 2022
- https://doi.org/10.1371/journal.pone.0267534