@misc{indiciae3558d39abdb1,
  title = {Operative cholangiography cost-effectiveness--routine versus selective utilization.},
  author = {A M de Almeida and F J Aldeia and N M dos Santos and C W Gracias},
  url = {https://pubmed.ncbi.nlm.nih.gov/6440420/},
  note = {Source identifier: 6440420}
}