TY  - RPRT
TI  - Sample size requirements for studies estimating odds ratios or relative risks.
AU  - S Lemeshow
AU  - D W Hosmer
AU  - J Klar
PY  - 1988
DO  - 10.1002/sim.4780070705
UR  - https://pubmed.ncbi.nlm.nih.gov/3406603/
ID  - 3406603
ER  -