@misc{indiciaea928d4f52ea9,
  title = {Interim analysis and sample size reassessment.},
  author = {M Posch and P Bauer},
  year = {2000},
  doi = {10.1111/j.0006-341x.2000.01170.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/11129475/},
  note = {Source identifier: 11129475}
}