TY  - RPRT
TI  - Estimation of sample sizes in case-control studies with multiple controls per case: dichotomous data.
AU  - K J Lui
PY  - 1988
DO  - 10.1093/oxfordjournals.aje.a114882
UR  - https://pubmed.ncbi.nlm.nih.gov/3358407/
ID  - 3358407
ER  -