@misc{indiciaed28590ab70f2,
  title = {Using the bootstrap for estimation in group sequential designs: an application to a clinical trial for nasopharyngeal cancer.},
  author = {M LeBlanc and J Crowley},
  year = {1999},
  doi = {10.1002/(sici)1097-0258(19991015)18:19<2635::aid-sim200>3.0.co;2-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/10495461/},
  note = {Source identifier: 10495461}
}