@misc{indiciae52da43cfbd7c,
  title = {Carcinoembryonic antigen.},
  author = {R H Fletcher},
  year = {1986},
  doi = {10.7326/0003-4819-104-1-66},
  url = {https://pubmed.ncbi.nlm.nih.gov/3510056/},
  note = {Source identifier: 3510056}
}