TY  - RPRT
TI  - Trials which randomize practices II: sample size.
AU  - S M Kerry
AU  - J M Bland
PY  - 1998
DO  - 10.1093/fampra/15.1.84
UR  - https://pubmed.ncbi.nlm.nih.gov/9527303/
ID  - 9527303
ER  -