@misc{indiciaef4442d23f2de,
  title = {Cluster-randomized trials.},
  author = {P M Fayers and M S Jordhøy and S Kaasa},
  year = {2002},
  doi = {10.1191/0269216302pm503xx},
  url = {https://pubmed.ncbi.nlm.nih.gov/11963457/},
  note = {Source identifier: 11963457}
}