@misc{indiciae25cfec98d427,
  title = {Designing research: ex post facto designs.},
  author = {M Giuffre},
  year = {1997},
  doi = {10.1016/s1089-9472(97)80038-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9214944/},
  note = {Source identifier: 9214944}
}