@misc{indiciae127d6e399e25,
  title = {Endoscopic pancreatocholangiography: progress and problem.},
  author = {F J Ingelfinger},
  year = {1972},
  doi = {10.1056/nejm197210262871713},
  url = {https://pubmed.ncbi.nlm.nih.gov/5071970/},
  note = {Source identifier: 5071970}
}