@misc{indiciaed019ac10a508,
  title = {Referral cases.},
  author = {P Boydell},
  year = {1993},
  doi = {10.1136/vr.132.2.48-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/8442346/},
  note = {Source identifier: 8442346}
}