@misc{indiciae8cdbfc4aa881,
  title = {Two new methods for selective bile duct cannulation and sphincterotomy.},
  author = {J H Siegel and W Pullano},
  year = {1987},
  doi = {10.1016/s0016-5107(87)71683-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/3443263/},
  note = {Source identifier: 3443263}
}