@misc{indiciaeccf23a425daa,
  title = {Analyzing correlated binary data using SAS.},
  author = {S R Lipsitz and D P Harrington},
  year = {1990},
  doi = {10.1016/0010-4809(90)90021-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/2350962/},
  note = {Source identifier: 2350962}
}