@misc{indiciaeab77e33c5fe7,
  title = {Professional services should be mandated.},
  author = {T L Vordenbaumen},
  year = {1979},
  doi = {10.1016/s0160-3450(15)32216-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/517417/},
  note = {Source identifier: 517417}
}