@misc{indiciae0f39047a0d34,
  title = {Generalized estimating equation model for binary outcomes with missing covariates.},
  author = {F Xie and M C Paik},
  year = {1997},
  url = {https://pubmed.ncbi.nlm.nih.gov/9423260/},
  note = {Source identifier: 9423260}
}