@misc{indiciae7faa3f4ec7e9,
  title = {Purchasing vascular services.},
  author = {M R Tyrrell and Y P Panayiotopoulos and P R Taylor},
  year = {1994},
  doi = {10.1136/bmj.309.6969.1663},
  url = {https://pubmed.ncbi.nlm.nih.gov/7819974/},
  note = {Source identifier: 7819974}
}