@misc{indiciae2134b58a15f8,
  title = {Carcinoembryonic antigen (CEA).},
  author = {P W Dykes and J King},
  year = {1972},
  doi = {10.1136/gut.13.12.1000},
  url = {https://pubmed.ncbi.nlm.nih.gov/4119804/},
  note = {Source identifier: 4119804}
}