@misc{indiciaea6696746eb93,
  title = {[Endoscopic papillotomy].},
  author = {J Papp and E Kollin and Z Tulassay and O Koller},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/876640/},
  note = {Source identifier: 876640}
}