@misc{indiciaee8d3d18b12b1,
  title = {Crossover studies: a modified analysis with more power.},
  author = {T J Cleophas},
  year = {1993},
  doi = {10.1038/clpt.1993.64},
  url = {https://pubmed.ncbi.nlm.nih.gov/8491062/},
  note = {Source identifier: 8491062}
}