@misc{indiciae725e888a669e,
  title = {Estimating sample sizes for continuous, binary, and ordinal outcomes in paired comparisons: practical hints.},
  author = {S A Julious and M J Campbell and D G Altman},
  year = {1999},
  doi = {10.1081/bip-100101174},
  url = {https://pubmed.ncbi.nlm.nih.gov/10379691/},
  note = {Source identifier: 10379691}
}