@misc{indiciae085f8afcb274,
  title = {Extending the sphincterotomy.},
  author = {Colm O'Loughlin and Umaprasanna S Karnam and Arvey I Rogers},
  year = {2002},
  doi = {10.1111/j.1572-0241.2002.05650.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/12041063/},
  note = {Source identifier: 12041063}
}