@misc{indiciae8969f4dccbaf,
  title = {Biliary tract changes in opisthorchiasis.},
  author = {H Evans and C H Bourgeois and D S Comer and N Keschamras},
  year = {1971},
  doi = {10.4269/ajtmh.1971.20.667},
  url = {https://pubmed.ncbi.nlm.nih.gov/5093663/},
  note = {Source identifier: 5093663}
}