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APA Citation
Taljaard, M., Goldstein, C. E., Giraudeau, B., Nicholls, S. G., Carroll, K., Hey, S. P., Brehaut, J. C., Jairath, V., London, A. J., Eldridge, S. M., Grimshaw, J. M., Fergusson, D. A., & Weijer, C. (2020). cluster over individual randomization: are study design choices appropriately justified? Review of a random sample of trials. Clinical trials, 17, 253–263. http://access.bl.uk/ark:/81055/vdc_100102172401.0x000003