@misc{indiciae675f8c2b6b6e,
  title = {Explaining community-level variance in group randomized trials.},
  author = {Z Feng and P Diehr and Y Yasui and B Evans and S Beresford and T D Koepsell},
  year = {1999},
  doi = {10.1002/(sici)1097-0258(19990315)18:5<539::aid-sim50>3.0.co;2-s},
  url = {https://pubmed.ncbi.nlm.nih.gov/10209810/},
  note = {Source identifier: 10209810}
}