@misc{indiciaef6f029b93001,
  title = {Sample size calculations for paired or matched ordinal data.},
  author = {S A Julious and M J Campbell},
  year = {1998},
  doi = {10.1002/(sici)1097-0258(19980730)17:14<1635::aid-sim881>3.0.co;2-k},
  url = {https://pubmed.ncbi.nlm.nih.gov/9699235/},
  note = {Source identifier: 9699235}
}