@misc{indiciae72abd7da53d1,
  title = {Conditional and unconditional confidence intervals following a group sequential test.},
  author = {Xiaoyin Fan and David L DeMets},
  year = {2006},
  doi = {10.1080/10543400500406595},
  url = {https://pubmed.ncbi.nlm.nih.gov/16440840/},
  note = {Source identifier: 16440840}
}