TY - JOUR T1 - DELTA虏 guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial JO - BMJ (Online) UR - https://eprints.whiterose.ac.uk/139500/ PY - 2018/11/05 AU - Cook JA AU - Julious SA AU - Sones W AU - Hampson LV AU - Hewitt C AU - Berlin JA AU - Ashby D AU - Emsley R AU - Fergusson DA AU - Walters SJ AU - Wilson ECF et al ED - DO - DOI: 10.1136/bmj.k3750 VL - 363 Y2 - 2025/04/16 ER -