@misc{indiciae40d1bd06dada,
  title = {Sample size requirements for studies estimating odds ratios or relative risks.},
  author = {S Lemeshow and D W Hosmer and J Klar},
  year = {1988},
  doi = {10.1002/sim.4780070705},
  url = {https://pubmed.ncbi.nlm.nih.gov/3406603/},
  note = {Source identifier: 3406603}
}