TY  - RPRT
TI  - On sample-size and power calculations for studies using confidence intervals.
AU  - S Greenland
PY  - 1988
DO  - 10.1093/oxfordjournals.aje.a114945
UR  - https://pubmed.ncbi.nlm.nih.gov/3381829/
ID  - 3381829
ER  -