@misc{indiciaea0e06c585c53,
  title = {Non-parametric two-sample tests for repeated ordinal responses.},
  author = {M P Fay and C Gennings},
  year = {1996},
  doi = {10.1002/(sici)1097-0258(19960229)15:4<429::aid-sim139>3.0.co;2-i},
  url = {https://pubmed.ncbi.nlm.nih.gov/8668869/},
  note = {Source identifier: 8668869}
}