@misc{indiciaef13a1cc76ede,
  title = {Interaction in crossover studies: a modified analysis with more sensitivity.},
  author = {T J Cleophas},
  year = {1994},
  doi = {10.1002/j.1552-4604.1994.tb03992.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/8021332/},
  note = {Source identifier: 8021332}
}