@misc{indiciae91afd7090952,
  title = {Identifying influential families using regression diagnostics for generalized estimating equations.},
  author = {A Ziegler and M Blettner and C Kastner and J Chang-Claude},
  year = {1998},
  doi = {10.1002/(sici)1098-2272(1998)15:4<341::aid-gepi2>3.0.co;2-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/9671985/},
  note = {Source identifier: 9671985}
}