@misc{indiciae9ba1c042b64c,
  title = {PPS operating margins: the flip side.},
  author = {L M Henikoff},
  year = {1990},
  doi = {10.1377/hlthaff.9.2.238-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/2365264/},
  note = {Source identifier: 2365264}
}