@misc{indiciae2db3e6615410,
  title = {Estimation and sample size considerations for clustered binary responses.},
  author = {E W Lee and N Dubin},
  year = {1994},
  doi = {10.1002/sim.4780131206},
  url = {https://pubmed.ncbi.nlm.nih.gov/7973205/},
  note = {Source identifier: 7973205}
}