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Hemming, K., Eldridge, S., Forbes, G., Weijer, C., & Taljaard, M. (2017). how to design efficient cluster randomised trials. BMJ, 358, . http://access.bl.uk/ark:/81055/vdc_100150407856.0x000037
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Hemming, K., Eldridge, S., Forbes, G., Weijer, C., & Taljaard, M. (2017). how to design efficient cluster randomised trials. BMJ, 358, . http://access.bl.uk/ark:/81055/vdc_100150407856.0x000037