TY  - RPRT
TI  - Designing randomised trials: both large and small trials are needed.
AU  - S P Stenning
AU  - M K B Parmar
PY  - 2002
DO  - 10.1093/annonc/mdf650
UR  - https://pubmed.ncbi.nlm.nih.gov/12401679/
ID  - 12401679
ER  -