@misc{indiciae964adf2ad7c4,
  title = {Options for universal coverage.},
  author = {W Greenberg},
  year = {1991},
  doi = {10.1377/hlthaff.10.2.226-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/1885144/},
  note = {Source identifier: 1885144}
}