@misc{indiciaeced3c010f6bc,
  title = {A two-stage design for randomized trials with binary outcomes.},
  author = {S Wieand and T Therneau},
  year = {1987},
  doi = {10.1016/0197-2456(87)90022-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/3568693/},
  note = {Source identifier: 3568693}
}