@misc{indiciae30b5b0b20349,
  title = {Medicare managed care: policy concerns.},
  author = {K Williams},
  doi = {10.1016/s0149-2918(98)80123-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/9916620/},
  note = {Source identifier: 9916620}
}