@misc{indiciaeef572755cd65,
  title = {[Quo vadis endoscopic sphincterotomy?].},
  author = {E Seifert and F Schulte and C Chalybäus},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2728564/},
  note = {Source identifier: 2728564}
}