@misc{indiciaefc30ef630e2e,
  title = {Major hemorrhage from endoscopic sphincterotomy: risk factor analysis.},
  author = {D B Nelson and M L Freeman},
  year = {1994},
  doi = {10.1097/00004836-199412000-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/7876506/},
  note = {Source identifier: 7876506}
}