@misc{indiciaebfaa2061901e,
  title = {Letter: Certification in vascular surgery.},
  author = {N P Smyth},
  year = {1974},
  doi = {10.1001/archsurg.1974.01350270111025},
  url = {https://pubmed.ncbi.nlm.nih.gov/4813339/},
  note = {Source identifier: 4813339}
}