@misc{indiciaee091c4256531,
  title = {A performance-based quality evaluation system for preferred provider organizations.},
  author = {M McGuirk-Porell and G A Goldberg and D Goldin and G Lenhart and N S Ober and R Bizier},
  year = {1991},
  doi = {10.1016/s0097-5990(16)30487-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/1787964/},
  note = {Source identifier: 1787964}
}