@misc{indiciaeaaf6e84785cb,
  title = {Variance estimation in clinical studies with interim sample size re-estimation.},
  author = {Frank Miller},
  year = {2005},
  doi = {10.1111/j.1541-0420.2005.00315.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/16011681/},
  note = {Source identifier: 16011681}
}