@misc{indiciae49e1a5016658,
  title = {[Endoscopic papillotomy].},
  author = {Iu V Vasil'ev and S A Zelenikin},
  year = {1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/7143930/},
  note = {Source identifier: 7143930}
}