@misc{indiciaef2643aeb8fe9,
  title = {Needle knife sphincterotomy.},
  author = {J Baillie},
  doi = {10.1016/s0016-5107(91)70880-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/1756931/},
  note = {Source identifier: 1756931}
}