@misc{indiciaee003d58d46a7,
  title = {Problems in endoscopic sphincteropapillotomy.},
  author = {Y C Yang and J I Myeong and H S Yeo and H B Park},
  year = {1987},
  doi = {10.3904/kjim.1987.2.1.97},
  url = {https://pubmed.ncbi.nlm.nih.gov/3154824/},
  note = {Source identifier: 3154824}
}