@misc{indiciae876230eec635,
  title = {Sample size recalculation in internal pilot study designs: a review.},
  author = {Tim Friede and Meinhard Kieser},
  year = {2006},
  doi = {10.1002/bimj.200510238},
  url = {https://pubmed.ncbi.nlm.nih.gov/16972704/},
  note = {Source identifier: 16972704}
}