@misc{indiciae2c4f6eebeb5a,
  title = {Primary common bile-duct carcinoid.},
  author = {J M Little and A A Gibson and A W Kay},
  year = {1968},
  doi = {10.1002/bjs.1800550221},
  url = {https://pubmed.ncbi.nlm.nih.gov/5635925/},
  note = {Source identifier: 5635925}
}