TY  - RPRT
TI  - Comparing methods for calculating confidence intervals for vaccine efficacy.
AU  - M Ewell
DO  - 10.1002/(sici)1097-0258(19961115)15:21<2379::aid-sim457>3.0.co;2-l
UR  - https://pubmed.ncbi.nlm.nih.gov/8931208/
ID  - 8931208
ER  -