@misc{indiciae1c24e173c3fc,
  title = {A note on robust variance estimation for cluster-correlated data.},
  author = {R L Williams},
  year = {2000},
  doi = {10.1111/j.0006-341x.2000.00645.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/10877330/},
  note = {Source identifier: 10877330}
}