@misc{indiciae7e9466bc5b32,
  title = {Biliary tree malignancies.},
  author = {B A Erickson and S Nag},
  year = {1998},
  doi = {10.1002/(sici)1096-9098(199803)67:3<203::aid-jso12>3.0.co;2-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/9530894/},
  note = {Source identifier: 9530894}
}