@misc{indiciaefed7cf5bdeec,
  title = {Endoscopic papillotomy for choledocholithiasis.},
  author = {D S Zimmon and D B Falkenstein and R E Kessler},
  year = {1975},
  doi = {10.1056/nejm197512042932307},
  url = {https://pubmed.ncbi.nlm.nih.gov/1186790/},
  note = {Source identifier: 1186790}
}