@misc{indiciae664bf039664a,
  title = {Cholecystectomy cholangiogram snare.},
  author = {H Thomson},
  year = {1973},
  doi = {10.1136/gut.14.1.68},
  url = {https://pubmed.ncbi.nlm.nih.gov/4692257/},
  note = {Source identifier: 4692257}
}