@misc{indiciae9c5606651b29,
  title = {Duodenal endoscopic approach: ERCP.},
  author = {A Vecchioli and P Belli and M Ortenzi and P Marano},
  url = {https://pubmed.ncbi.nlm.nih.gov/2520854/},
  note = {Source identifier: 2520854}
}