@misc{indiciae718fac0212db,
  title = {Case study evaluation.},
  author = {J Keen and T Packwood},
  year = {1995},
  doi = {10.1136/bmj.311.7002.444},
  url = {https://pubmed.ncbi.nlm.nih.gov/7640596/},
  note = {Source identifier: 7640596}
}