TY  - RPRT
TI  - Re: Smallest detectable relative risk with multiple controls per case.
AU  - J J Schlesselman
PY  - 1987
DO  - 10.1093/oxfordjournals.aje.a114536
UR  - https://pubmed.ncbi.nlm.nih.gov/3812441/
ID  - 3812441
ER  -