@misc{indiciae4fc642def052,
  title = {Sequential analysis in therapeutic trials.},
  author = {P Armitage},
  year = {1969},
  doi = {10.1146/annurev.me.20.020169.002233},
  url = {https://pubmed.ncbi.nlm.nih.gov/4893407/},
  note = {Source identifier: 4893407}
}