Digital tools for the recruitment and retention of participants in randomised controlled trials: a systematic map

Frampton, Geoff K ; Shepherd, Jonathan ; Pickett, Karen ; Griffiths, Gareth ; Wyatt, Jeremy C

Current controlled trials in cardiovascular medicine, 2020-06, Vol.21 (1), p.478-478, Article 478 [Periódico revisado por pares]

England: BioMed Central Ltd

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