@misc{indiciaea8d5079ded95,
  title = {Endoscopic sphincterotomy assisted by catheterization antegrade.},
  author = {W B Long and W Schwarz and E J Ring},
  year = {1984},
  doi = {10.1016/s0016-5107(84)72295-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/6706088/},
  note = {Source identifier: 6706088}
}