@misc{indiciae7447c1ddcbe6,
  title = {Multi-class health care.},
  author = {R H Fletcher and S W Fletcher},
  year = {1982},
  doi = {10.1056/nejm198212093072429},
  url = {https://pubmed.ncbi.nlm.nih.gov/7144833/},
  note = {Source identifier: 7144833}
}