@misc{indiciaef20d2aed5072,
  title = {Likelihood methods for incomplete longitudinal binary responses with incomplete categorical covariates.},
  author = {S R Lipsitz and J G Ibrahim and G M Fitzmaurice},
  year = {1999},
  doi = {10.1111/j.0006-341x.1999.00214.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/11318157/},
  note = {Source identifier: 11318157}
}