@misc{indiciae7b502f818bb8,
  title = {Marginal models for correlated binary responses with multiple classes and multiple levels of nesting.},
  author = {B F Qaqish and K Y Liang},
  year = {1992},
  url = {https://pubmed.ncbi.nlm.nih.gov/1420848/},
  note = {Source identifier: 1420848}
}