@misc{indiciae9143864935eb,
  title = {Confidence intervals for the risk ratio under cluster sampling based on the beta-binomial model.},
  author = {K J Lui and J A Mayer and L Eckhardt},
  year = {2000},
  doi = {10.1002/1097-0258(20001115)19:21<2933::aid-sim591>3.0.co;2-q},
  url = {https://pubmed.ncbi.nlm.nih.gov/11042624/},
  note = {Source identifier: 11042624}
}