Recruitment, consent and retention of participants in randomised controlled trials: a review of trials published in the National Institute for Health Research (NIHR) Journals Library (1997–2020)
oleh: Stephen J Walters, Richard M Jacques, Rebecca M Simpson, Rashida Ahmed, James Harper, Adya Ranjan, Isra Saeed
| Format: | Article |
|---|---|
| Diterbitkan: | BMJ Publishing Group 2022-02-01 |
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