@misc{indiciae7ec54557b9be,
  title = {Retrospective power analysis: when?},
  author = {Sukru Mehmet Erturk},
  year = {2005},
  doi = {10.1148/radiol.2372050480},
  url = {https://pubmed.ncbi.nlm.nih.gov/16244281/},
  note = {Source identifier: 16244281}
}