@misc{indiciae9da75d0303ac,
  title = {Determining the sample size in a clinical trial.},
  author = {Adrienne Kirby and Val Gebski and Anthony C Keech},
  year = {2002},
  doi = {10.5694/j.1326-5377.2002.tb04759.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/12197821/},
  note = {Source identifier: 12197821}
}