@misc{indiciae659efd810ad4,
  title = {A random effects model for ordinal responses from a crossover trial.},
  author = {F Ezzet and J Whitehead},
  year = {1991},
  doi = {10.1002/sim.4780100611},
  url = {https://pubmed.ncbi.nlm.nih.gov/1876780/},
  note = {Source identifier: 1876780}
}