@misc{indiciae9177061a8a3f,
  title = {Can futility be defined numerically?},
  author = {J Rapoport and D Teres and S Lemeshow},
  year = {1998},
  doi = {10.1097/00003246-199811000-00009},
  url = {https://pubmed.ncbi.nlm.nih.gov/9824062/},
  note = {Source identifier: 9824062}
}