TY  - JOUR

T1  - DELTA² guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial

JO  - BMJ

UR  - https://eprints.whiterose.ac.uk/id/eprint/139500

UR  - https://doi.org/10.1136/bmj.k3750

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

PB  - BMJ Publishing Group

Y2  - 2025/10/31

ER  -