TY  - RPRT
TI  - Using confidence intervals.
AU  - M J Gardner
AU  - D G Altman
PY  - 1987
DO  - 10.1016/s0140-6736(87)90384-9
UR  - https://pubmed.ncbi.nlm.nih.gov/2882159/
ID  - 2882159
ER  -