@misc{indiciaed88781559132,
  title = {MIXOR: a computer program for mixed-effects ordinal regression analysis.},
  author = {D Hedeker and R D Gibbons},
  year = {1996},
  doi = {10.1016/0169-2607(96)01720-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/8735023/},
  note = {Source identifier: 8735023}
}