@misc{indiciaead4795290a0f,
  title = {Specialty centralization.},
  author = {E D Vaughan},
  year = {1997},
  doi = {10.1016/s0266-4356(97)90709-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/9146877/},
  note = {Source identifier: 9146877}
}