@misc{indiciaeca0dd08b6103,
  title = {Statistical models for data from periodontal research.},
  author = {J A Sterne and M A Curtis and I R Gillett and G S Griffiths and M F Maiden and J M Wilton and N W Johnson},
  year = {1990},
  doi = {10.1111/j.1600-051x.1990.tb01076.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2180989/},
  note = {Source identifier: 2180989}
}