@misc{indiciaedd6baf37da2f,
  title = {Using aspects of study design in sample size estimation.},
  author = {A Phillips and M Campbell},
  year = {1997},
  doi = {10.1080/10543409708835182},
  url = {https://pubmed.ncbi.nlm.nih.gov/9136065/},
  note = {Source identifier: 9136065}
}