@misc{indiciae4083e2bd79bc,
  title = {Design using historical controls.},
  author = {Albert Yen and Ericka Simpson and Lanny Haverkamp and Stanley Appel},
  year = {2004},
  doi = {10.1080/17434470410019807},
  url = {https://pubmed.ncbi.nlm.nih.gov/15512876/},
  note = {Source identifier: 15512876}
}